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White papers that think ahead – and help you move forward

Our white papers offer in-depth insights into current technology trends, strategies and solutions for digital transformation.
Compact and practical, they are designed for decision-makers who want to take targeted action and achieve lasting success.

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Knowledge with substance – free of charge for you

Whether it's cloud computing, AI, IT security or digitalisation in SMEs: our white papers provide guidance, highlight opportunities – and show you how to take action.

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White paper on cyber security & IT security

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White paper – Cyber resilience as a stabiliser for business success

White paper – Cyber resilience as a stabiliser for business success

In this white paper, learn why fears about potential cybersecurity vulnerabilities are one of the main concerns for executives when it comes to introducing connected offerings such as IoT or AI-based services, and how to avoid potential cyber risks that could impact your business and reputation.

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Cover White Paper Identity Security

White paper – No digitalisation without identity security

Nothing works without secure digital identities. Identities are the building blocks of digitalisation. This white paper highlights the growing importance of identity security in the context of identity theft, legal frameworks and modern security models such as SASE and Zero Trust. It also outlines various security components for identity security.

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White paper on Public Key Infrastructure for modern IT security and encryption

White paper – Public Key Infrastructure as the basis for modern IT security

Reliable, proven strong encryption and authentication are necessary to protect sensitive company data that is processed in internal networks and over the Internet. This is precisely where Public Key Infrastructures (PKI) come into play, enabling the identities of individuals, devices and IT equipment to be equipped with digital certificates. In this white paper, we explain these relationships and solutions.

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Cover White Paper Microsegmentation

White paper – Why microsegmentation is the order of the day

This white paper presents traditional and new forms of segmentation, along with their advantages and disadvantages. It also discusses the role of microsegmentation in the context of legal requirements and zero trust. Finally, examples of applications illustrate the use of microsegmentation in practice.

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White paper on principles of modern security architectures for digital infrastructures

White paper – Security architecture for a new digital age

Read the white paper now to find out which principles should be taken into account when restructuring your security infrastructure and what opportunities and advantages this offers.

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White paper with emergency plan and practical tips for defending against cyber attacks

White paper – Contingency plan against cyber attacks

Attacks on IT systems in which data is encrypted and thus rendered inaccessible, or additionally published or misused for other criminal purposes, represent one of the risks against which companies must protect themselves.

Our white paper offers confidential insights and practical tips on how to increase your IT security, as well as a contingency plan for worst-case scenarios. Prepare yourself and protect your company so that it doesn't come to that.

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White paper on industrial and OT security

  • Cover White Paper Industrial Security in the Energy Industry

    White paper – Industrial security in the energy industry

    The energy industry is a key industry. Cyber attacks that specifically target pipelines, power plants and other structures in the energy sector are increasing in frequency and precision. However, the battle is not lost. This white paper explains how you can sharpen your weapons.

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  • Cover White Paper Smart Factory

    White paper – On the path to the smart factory with (I)OT security

    Traditional manufacturing companies are increasingly relying on systems such as MES, IoT applications and digital twins to increase efficiency and flexibility. However, the introduction of these technologies places new demands on OT cybersecurity. The white paper discusses cyber risks in conventional production environments compared to smart factories and emphasises the challenge of keeping existing facilities secure during modernisation while production continues, presenting a smart factory migration architecture as a solution.

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Further topics

  • White paper on implementing the NIS 2 Directive for companies and legal departments

    White paper on the implementation of the NIS 2 Directive

    A guide for companies, managers and legal departments

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  • Cover Booklet Next Level Perspectives

    Booklet: Next Level Perspectives 2025

    What motivates executives and IT decision-makers in large enterprises? This booklet summarises key insights, use cases and practical solutions from the Large Enterprise Forum 2025 – focusing on four strategic areas: artificial intelligence, security, connectivity and collaboration. It includes specific application examples, partner solutions and insights from Telekom's network of experts.

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Impetus for your success

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Cyber Security

We ensure that your digital transformation is a guaranteed success.

About Cyber Security

Public Key Infrastructure

The foundation for your smooth digital business processes.

About Public Key Infrastructure
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Show Details 
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com.coremedia.blueprint.cae.contentbeans.CMTeaserImpl$$[id=191608]
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No link scheme found for com.coremedia.blueprint.cae.contentbeans.CMChannelImpl[id=164642] [class=class com.coremedia.blueprint.cae.contentbeans.CMChannelImpl]
com.coremedia.blueprint.cae.contentbeans.CMTeaserImpl$$
com.coremedia.objectserver.dataviews.DataView
com.coremedia.dispatch.HasCustomType
com.coremedia.blueprint.cae.contentbeans.CMTeaserImpl
com.coremedia.blueprint.cae.contentbeans.CMTeaserBase
com.coremedia.blueprint.common.contentbeans.CMTeaser
com.coremedia.blueprint.cae.contentbeans.CMTeasableImpl
com.coremedia.blueprint.cae.contentbeans.CMTeasableBase
com.coremedia.blueprint.common.contentbeans.CMTeasable
com.coremedia.blueprint.cae.contentbeans.CMHasContextsImpl
com.coremedia.blueprint.cae.contentbeans.CMHasContextsBase
com.coremedia.blueprint.common.contentbeans.CMHasContexts
com.coremedia.blueprint.cae.contentbeans.CMLinkableImpl
com.coremedia.blueprint.cae.contentbeans.CMLinkableBase
com.coremedia.blueprint.common.contentbeans.CMLinkable
com.coremedia.blueprint.common.navigation.Linkable
com.coremedia.blueprint.common.navigation.HasViewTypeName
com.coremedia.blueprint.common.contentbeans.BelowRootNavigation
com.coremedia.blueprint.common.datevalidation.ValidityPeriod
com.coremedia.blueprint.cae.contentbeans.CMLocalizedImpl
com.coremedia.blueprint.cae.contentbeans.CMLocalizedBase
com.coremedia.blueprint.common.contentbeans.CMLocalized
com.coremedia.blueprint.cae.contentbeans.CMObjectImpl
com.coremedia.blueprint.cae.contentbeans.CMObjectBase
com.coremedia.blueprint.common.contentbeans.CMObject
com.coremedia.objectserver.beans.AbstractContentBean
com.coremedia.objectserver.beans.ContentBean
com.coremedia.objectserver.dataviews.AssumesIdentity
java.lang.Object
com.coremedia.objectserver.view.ViewException: Error rendering view
at com.coremedia.objectserver.view.ViewUtils.rethrow(ViewUtils.java:344)
at com.coremedia.objectserver.view.freemarker.FreemarkerViewEngine$FreemarkerView.render(FreemarkerViewEngine.java:154)
at com.coremedia.objectserver.view.DebugViewDecorator$DebugDecorator.decorate(DebugViewDecorator.java:128)
at com.coremedia.objectserver.view.ViewDecoratorBase$DecoratingBaseView.render(ViewDecoratorBase.java:344)
at com.coremedia.objectserver.view.ViewDecoratorBase$DecoratingServletAndTextView.render(ViewDecoratorBase.java:428)
at com.coremedia.objectserver.view.ExceptionHandlingViewDecorator$ExceptionDecorator.decorate(ExceptionHandlingViewDecorator.java:135)
at com.coremedia.objectserver.view.ViewDecoratorBase$DecoratingBaseView.render(ViewDecoratorBase.java:344)
at com.coremedia.objectserver.view.ViewDecoratorBase$DecoratingServletAndTextView.render(ViewDecoratorBase.java:428)
at com.coremedia.objectserver.view.ViewUtils.render(ViewUtils.java:184)
at com.coremedia.objectserver.view.ViewUtils.render(ViewUtils.java:124)
at com.coremedia.objectserver.view.freemarker.impl.CAEFreemarkerFacadeImpl.include(CAEFreemarkerFacadeImpl.java:177)
at jdk.internal.reflect.GeneratedMethodAccessor130.invoke(Unknown Source)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:569)
at freemarker.ext.beans.BeansWrapper.invokeMethod(BeansWrapper.java:1634)
at freemarker.ext.beans.SimpleMethodModel.exec(SimpleMethodModel.java:73)
at freemarker.core.MethodCall._eval(MethodCall.java:62)
at freemarker.core.Expression.eval(Expression.java:101)
at freemarker.core.DollarVariable.calculateInterpolatedStringOrMarkup(DollarVariable.java:104)
at freemarker.core.DollarVariable.accept(DollarVariable.java:63)
at freemarker.core.Environment.visit(Environment.java:380)
at freemarker.core.Environment.visitAndTransform(Environment.java:511)
at freemarker.core.CompressedBlock.accept(CompressedBlock.java:42)
at freemarker.core.Environment.visit(Environment.java:380)
at freemarker.core.Environment.invokeMacroOrFunctionCommonPart(Environment.java:886)
at freemarker.core.Environment.invokeMacro(Environment.java:822)
at freemarker.core.UnifiedCall.accept(UnifiedCall.java:83)
at freemarker.core.Environment.visit(Environment.java:380)
at freemarker.core.IteratorBlock$IterationContext.executedNestedContentForCollOrSeqListing(IteratorBlock.java:321)
at freemarker.core.IteratorBlock$IterationContext.executeNestedContent(IteratorBlock.java:271)
at freemarker.core.IteratorBlock$IterationContext.accept(IteratorBlock.java:244)
at freemarker.core.Environment.visitIteratorBlock(Environment.java:654)
at freemarker.core.IteratorBlock.acceptWithResult(IteratorBlock.java:108)
at freemarker.core.IteratorBlock.accept(IteratorBlock.java:94)
at freemarker.core.Environment.visit(Environment.java:380)
at freemarker.core.Environment.invokeNestedContent(Environment.java:630)
at freemarker.core.BodyInstruction.accept(BodyInstruction.java:60)
at freemarker.core.Environment.visit(Environment.java:380)
at freemarker.core.Environment.invokeNestedContent(Environment.java:630)
at freemarker.core.BodyInstruction.accept(BodyInstruction.java:60)
at freemarker.core.Environment.visit(Environment.java:344)
at freemarker.core.Environment.visit(Environment.java:386)
at freemarker.core.Environment.visitAndTransform(Environment.java:511)
at freemarker.core.CompressedBlock.accept(CompressedBlock.java:42)
at freemarker.core.Environment.visit(Environment.java:380)
at freemarker.core.Environment.invokeMacroOrFunctionCommonPart(Environment.java:886)
at freemarker.core.Environment.invokeMacro(Environment.java:822)
at freemarker.core.UnifiedCall.accept(UnifiedCall.java:83)
at freemarker.core.Environment.visit(Environment.java:380)
at freemarker.core.Environment.invokeMacroOrFunctionCommonPart(Environment.java:886)
at freemarker.core.Environment.invokeMacro(Environment.java:822)
at freemarker.core.UnifiedCall.accept(UnifiedCall.java:83)
at freemarker.core.Environment.visit(Environment.java:344)
at freemarker.core.Environment.visit(Environment.java:350)
at freemarker.core.Environment.process(Environment.java:323)
at com.coremedia.objectserver.view.freemarker.FreemarkerViewEngine$FreemarkerView.render(FreemarkerViewEngine.java:150)
at com.coremedia.objectserver.view.DebugViewDecorator$DebugDecorator.decorate(DebugViewDecorator.java:128)
at com.coremedia.objectserver.view.ViewDecoratorBase$DecoratingBaseView.render(ViewDecoratorBase.java:344)
at com.coremedia.objectserver.view.ViewDecoratorBase$DecoratingServletAndTextView.render(ViewDecoratorBase.java:428)
at com.coremedia.objectserver.view.ExceptionHandlingViewDecorator$ExceptionDecorator.decorate(ExceptionHandlingViewDecorator.java:135)
at com.coremedia.objectserver.view.ViewDecoratorBase$DecoratingBaseView.render(ViewDecoratorBase.java:344)
at com.coremedia.objectserver.view.ViewDecoratorBase$DecoratingServletAndTextView.render(ViewDecoratorBase.java:428)
at com.coremedia.objectserver.view.ViewUtils.render(ViewUtils.java:184)
at com.coremedia.objectserver.view.ViewUtils.render(ViewUtils.java:124)
at com.coremedia.objectserver.view.freemarker.impl.CAEFreemarkerFacadeImpl.include(CAEFreemarkerFacadeImpl.java:177)
at jdk.internal.reflect.GeneratedMethodAccessor130.invoke(Unknown Source)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:569)
at freemarker.ext.beans.BeansWrapper.invokeMethod(BeansWrapper.java:1634)
at freemarker.ext.beans.SimpleMethodModel.exec(SimpleMethodModel.java:73)
at freemarker.core.MethodCall._eval(MethodCall.java:62)
at freemarker.core.Expression.eval(Expression.java:101)
at freemarker.core.DollarVariable.calculateInterpolatedStringOrMarkup(DollarVariable.java:104)
at freemarker.core.DollarVariable.accept(DollarVariable.java:63)
at freemarker.core.Environment.visit(Environment.java:380)
at freemarker.core.Environment.visitAndTransform(Environment.java:511)
at freemarker.core.CompressedBlock.accept(CompressedBlock.java:42)
at freemarker.core.Environment.visit(Environment.java:380)
at freemarker.core.Environment.invokeMacroOrFunctionCommonPart(Environment.java:886)
at freemarker.core.Environment.invokeMacro(Environment.java:822)
at freemarker.core.UnifiedCall.accept(UnifiedCall.java:83)
at freemarker.core.Environment.visit(Environment.java:380)
at freemarker.core.IteratorBlock$IterationContext.executedNestedContentForCollOrSeqListing(IteratorBlock.java:321)
at freemarker.core.IteratorBlock$IterationContext.executeNestedContent(IteratorBlock.java:271)
at freemarker.core.IteratorBlock$IterationContext.accept(IteratorBlock.java:244)
at freemarker.core.Environment.visitIteratorBlock(Environment.java:654)
at freemarker.core.IteratorBlock.acceptWithResult(IteratorBlock.java:108)
at freemarker.core.IteratorBlock.accept(IteratorBlock.java:94)
at freemarker.core.Environment.visit(Environment.java:344)
at freemarker.core.Environment.visit(Environment.java:350)
at freemarker.core.Environment.process(Environment.java:323)
at com.coremedia.objectserver.view.freemarker.FreemarkerViewEngine$FreemarkerView.render(FreemarkerViewEngine.java:150)
at com.coremedia.objectserver.view.DebugViewDecorator$DebugDecorator.decorate(DebugViewDecorator.java:128)
at com.coremedia.objectserver.view.ViewDecoratorBase$DecoratingBaseView.render(ViewDecoratorBase.java:344)
at com.coremedia.objectserver.view.ViewDecoratorBase$DecoratingServletAndTextView.render(ViewDecoratorBase.java:428)
at com.coremedia.objectserver.view.ExceptionHandlingViewDecorator$ExceptionDecorator.decorate(ExceptionHandlingViewDecorator.java:135)
at com.coremedia.objectserver.view.ViewDecoratorBase$DecoratingBaseView.render(ViewDecoratorBase.java:344)
at com.coremedia.objectserver.view.ViewDecoratorBase$DecoratingServletAndTextView.render(ViewDecoratorBase.java:428)
at com.coremedia.objectserver.view.ViewUtils.render(ViewUtils.java:184)
at com.coremedia.objectserver.view.ViewUtils.render(ViewUtils.java:124)
at com.coremedia.objectserver.view.freemarker.impl.CAEFreemarkerFacadeImpl.include(CAEFreemarkerFacadeImpl.java:177)
at jdk.internal.reflect.GeneratedMethodAccessor130.invoke(Unknown Source)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:569)
at freemarker.ext.beans.BeansWrapper.invokeMethod(BeansWrapper.java:1634)
at freemarker.ext.beans.SimpleMethodModel.exec(SimpleMethodModel.java:73)
at freemarker.core.MethodCall._eval(MethodCall.java:62)
at freemarker.core.Expression.eval(Expression.java:101)
at freemarker.core.DollarVariable.calculateInterpolatedStringOrMarkup(DollarVariable.java:104)
at freemarker.core.DollarVariable.accept(DollarVariable.java:63)
at freemarker.core.Environment.visit(Environment.java:380)
at freemarker.core.Environment.visitAndTransform(Environment.java:511)
at freemarker.core.CompressedBlock.accept(CompressedBlock.java:42)
at freemarker.core.Environment.visit(Environment.java:380)
at freemarker.core.Environment.invokeMacroOrFunctionCommonPart(Environment.java:886)
at freemarker.core.Environment.invokeMacro(Environment.java:822)
at freemarker.core.UnifiedCall.accept(UnifiedCall.java:83)
at freemarker.core.Environment.visit(Environment.java:344)
at freemarker.core.Environment.visit(Environment.java:386)
at freemarker.core.IteratorBlock$IterationContext.executedNestedContentForCollOrSeqListing(IteratorBlock.java:321)
at freemarker.core.IteratorBlock$IterationContext.executeNestedContent(IteratorBlock.java:271)
at freemarker.core.IteratorBlock$IterationContext.accept(IteratorBlock.java:244)
at freemarker.core.Environment.visitIteratorBlock(Environment.java:654)
at freemarker.core.IteratorBlock.acceptWithResult(IteratorBlock.java:108)
at freemarker.core.IteratorBlock.accept(IteratorBlock.java:94)
at freemarker.core.Environment.visit(Environment.java:380)
at freemarker.core.IteratorBlock$IterationContext.executedNestedContentForCollOrSeqListing(IteratorBlock.java:321)
at freemarker.core.IteratorBlock$IterationContext.executeNestedContent(IteratorBlock.java:271)
at freemarker.core.IteratorBlock$IterationContext.accept(IteratorBlock.java:244)
at freemarker.core.Environment.visitIteratorBlock(Environment.java:654)
at freemarker.core.IteratorBlock.acceptWithResult(IteratorBlock.java:108)
at freemarker.core.IteratorBlock.accept(IteratorBlock.java:94)
at freemarker.core.Environment.visit(Environment.java:344)
at freemarker.core.Environment.visit(Environment.java:350)
at freemarker.core.Environment.process(Environment.java:323)
at com.coremedia.objectserver.view.freemarker.FreemarkerViewEngine$FreemarkerView.render(FreemarkerViewEngine.java:150)
at com.coremedia.objectserver.view.DebugViewDecorator$DebugDecorator.decorate(DebugViewDecorator.java:128)
at com.coremedia.objectserver.view.ViewDecoratorBase$DecoratingBaseView.render(ViewDecoratorBase.java:344)
at com.coremedia.objectserver.view.ViewDecoratorBase$DecoratingServletAndTextView.render(ViewDecoratorBase.java:428)
at com.coremedia.objectserver.view.ExceptionHandlingViewDecorator$ExceptionDecorator.decorate(ExceptionHandlingViewDecorator.java:135)
at com.coremedia.objectserver.view.ViewDecoratorBase$DecoratingBaseView.render(ViewDecoratorBase.java:344)
at com.coremedia.objectserver.view.ViewDecoratorBase$DecoratingServletAndTextView.render(ViewDecoratorBase.java:428)
at com.coremedia.objectserver.view.ViewUtils.render(ViewUtils.java:184)
at com.coremedia.objectserver.view.ViewUtils.render(ViewUtils.java:124)
at com.coremedia.objectserver.view.freemarker.impl.CAEFreemarkerFacadeImpl.include(CAEFreemarkerFacadeImpl.java:177)
at jdk.internal.reflect.GeneratedMethodAccessor130.invoke(Unknown Source)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:569)
at freemarker.ext.beans.BeansWrapper.invokeMethod(BeansWrapper.java:1634)
at freemarker.ext.beans.SimpleMethodModel.exec(SimpleMethodModel.java:73)
at freemarker.core.MethodCall._eval(MethodCall.java:62)
at freemarker.core.Expression.eval(Expression.java:101)
at freemarker.core.DollarVariable.calculateInterpolatedStringOrMarkup(DollarVariable.java:104)
at freemarker.core.DollarVariable.accept(DollarVariable.java:63)
at freemarker.core.Environment.visit(Environment.java:380)
at freemarker.core.Environment.visitAndTransform(Environment.java:511)
at freemarker.core.CompressedBlock.accept(CompressedBlock.java:42)
at freemarker.core.Environment.visit(Environment.java:380)
at freemarker.core.Environment.invokeMacroOrFunctionCommonPart(Environment.java:886)
at freemarker.core.Environment.invokeMacro(Environment.java:822)
at freemarker.core.UnifiedCall.accept(UnifiedCall.java:83)
at freemarker.core.Environment.visit(Environment.java:344)
at freemarker.core.Environment.visit(Environment.java:350)
at freemarker.core.Environment.process(Environment.java:323)
at com.coremedia.objectserver.view.freemarker.FreemarkerViewEngine$FreemarkerView.render(FreemarkerViewEngine.java:150)
at com.coremedia.objectserver.view.ViewDecoratorBase$DecoratingBaseView.render(ViewDecoratorBase.java:346)
at com.coremedia.objectserver.view.ViewDecoratorBase$DecoratingServletAndTextView.render(ViewDecoratorBase.java:428)
at com.coremedia.objectserver.view.ExceptionHandlingViewDecorator$ExceptionDecorator.decorate(ExceptionHandlingViewDecorator.java:135)
at com.coremedia.objectserver.view.ViewDecoratorBase$DecoratingBaseView.render(ViewDecoratorBase.java:344)
at com.coremedia.objectserver.view.ViewDecoratorBase$DecoratingServletAndTextView.render(ViewDecoratorBase.java:428)
at com.coremedia.objectserver.view.ViewUtils.render(ViewUtils.java:184)
at com.coremedia.objectserver.view.ViewUtils.render(ViewUtils.java:124)
at com.coremedia.objectserver.view.freemarker.impl.CAEFreemarkerFacadeImpl.include(CAEFreemarkerFacadeImpl.java:177)
at jdk.internal.reflect.GeneratedMethodAccessor130.invoke(Unknown Source)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:569)
at freemarker.ext.beans.BeansWrapper.invokeMethod(BeansWrapper.java:1634)
at freemarker.ext.beans.SimpleMethodModel.exec(SimpleMethodModel.java:73)
at freemarker.core.MethodCall._eval(MethodCall.java:62)
at freemarker.core.Expression.eval(Expression.java:101)
at freemarker.core.DollarVariable.calculateInterpolatedStringOrMarkup(DollarVariable.java:104)
at freemarker.core.DollarVariable.accept(DollarVariable.java:63)
at freemarker.core.Environment.visit(Environment.java:380)
at freemarker.core.Environment.visitAndTransform(Environment.java:511)
at freemarker.core.CompressedBlock.accept(CompressedBlock.java:42)
at freemarker.core.Environment.visit(Environment.java:380)
at freemarker.core.Environment.invokeMacroOrFunctionCommonPart(Environment.java:886)
at freemarker.core.Environment.invokeMacro(Environment.java:822)
at freemarker.core.UnifiedCall.accept(UnifiedCall.java:83)
at freemarker.core.Environment.visit(Environment.java:344)
at freemarker.core.Environment.visit(Environment.java:350)
at freemarker.core.Environment.process(Environment.java:323)
at com.coremedia.objectserver.view.freemarker.FreemarkerViewEngine$FreemarkerView.render(FreemarkerViewEngine.java:150)
at com.coremedia.objectserver.view.freemarker.FreemarkerViewEngine$FreemarkerView.render(FreemarkerViewEngine.java:122)
at com.coremedia.objectserver.view.ViewDecoratorBase$DecoratingBaseView.render(ViewDecoratorBase.java:336)
at com.coremedia.objectserver.view.ViewDecoratorBase$DecoratingServletAndTextView.render(ViewDecoratorBase.java:422)
at com.coremedia.objectserver.view.ExceptionHandlingViewDecorator$ExceptionDecorator.decorate(ExceptionHandlingViewDecorator.java:113)
at com.coremedia.objectserver.view.ViewDecoratorBase$DecoratingBaseView.render(ViewDecoratorBase.java:334)
at com.coremedia.objectserver.view.ViewDecoratorBase$DecoratingServletAndTextView.render(ViewDecoratorBase.java:422)
at com.coremedia.objectserver.view.ViewUtils.render(ViewUtils.java:152)
at com.coremedia.objectserver.view.ViewUtils.render(ViewUtils.java:109)
at com.coremedia.objectserver.view.BeanView.renderMergedOutputModel(BeanView.java:63)
at org.springframework.web.servlet.view.AbstractView.render(AbstractView.java:314)
at org.springframework.web.servlet.DispatcherServlet.render(DispatcherServlet.java:1438)
at org.springframework.web.servlet.DispatcherServlet.processDispatchResult(DispatcherServlet.java:1168)
at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:1106)
at com.coremedia.objectserver.web.DispatcherServlet.doDispatch(DispatcherServlet.java:69)
at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:979)
at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:1014)
at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:903)
at jakarta.servlet.http.HttpServlet.service(HttpServlet.java:564)
at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:885)
at jakarta.servlet.http.HttpServlet.service(HttpServlet.java:658)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:195)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:140)
at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:51)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:164)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:140)
at com.coremedia.blueprint.cae.filter.PreviewViewFilter.doFilterInternal(PreviewViewFilter.java:48)
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:116)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:164)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:140)
at com.coremedia.blueprint.cae.filter.SiteFilter.doFilter(SiteFilter.java:64)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:164)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:140)
at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:108)
at org.springframework.security.web.FilterChainProxy.lambda$doFilterInternal$3(FilterChainProxy.java:231)
at org.springframework.security.web.ObservationFilterChainDecorator$FilterObservation$SimpleFilterObservation.lambda$wrap$1(ObservationFilterChainDecorator.java:479)
at org.springframework.security.web.ObservationFilterChainDecorator$AroundFilterObservation$SimpleAroundFilterObservation.lambda$wrap$1(ObservationFilterChainDecorator.java:340)
at org.springframework.security.web.ObservationFilterChainDecorator.lambda$wrapSecured$0(ObservationFilterChainDecorator.java:82)
at org.springframework.security.web.ObservationFilterChainDecorator$VirtualFilterChain.doFilter(ObservationFilterChainDecorator.java:128)
at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:126)
at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:120)
at org.springframework.security.web.ObservationFilterChainDecorator$ObservationFilter.wrapFilter(ObservationFilterChainDecorator.java:240)
at org.springframework.security.web.ObservationFilterChainDecorator$ObservationFilter.doFilter(ObservationFilterChainDecorator.java:227)
at org.springframework.security.web.ObservationFilterChainDecorator$VirtualFilterChain.doFilter(ObservationFilterChainDecorator.java:137)
at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:100)
at org.springframework.security.web.ObservationFilterChainDecorator$ObservationFilter.wrapFilter(ObservationFilterChainDecorator.java:240)
at org.springframework.security.web.ObservationFilterChainDecorator$ObservationFilter.doFilter(ObservationFilterChainDecorator.java:227)
at org.springframework.security.web.ObservationFilterChainDecorator$VirtualFilterChain.doFilter(ObservationFilterChainDecorator.java:137)
at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:179)
at org.springframework.security.web.ObservationFilterChainDecorator$ObservationFilter.wrapFilter(ObservationFilterChainDecorator.java:240)
at org.springframework.security.web.ObservationFilterChainDecorator$ObservationFilter.doFilter(ObservationFilterChainDecorator.java:227)
at org.springframework.security.web.ObservationFilterChainDecorator$VirtualFilterChain.doFilter(ObservationFilterChainDecorator.java:137)
at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:63)
at org.springframework.security.web.ObservationFilterChainDecorator$ObservationFilter.wrapFilter(ObservationFilterChainDecorator.java:240)
at org.springframework.security.web.ObservationFilterChainDecorator$ObservationFilter.doFilter(ObservationFilterChainDecorator.java:227)
at org.springframework.security.web.ObservationFilterChainDecorator$VirtualFilterChain.doFilter(ObservationFilterChainDecorator.java:137)
at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:107)
at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:93)
at org.springframework.security.web.ObservationFilterChainDecorator$ObservationFilter.wrapFilter(ObservationFilterChainDecorator.java:240)
at org.springframework.security.web.ObservationFilterChainDecorator$ObservationFilter.doFilter(ObservationFilterChainDecorator.java:227)
at org.springframework.security.web.ObservationFilterChainDecorator$VirtualFilterChain.doFilter(ObservationFilterChainDecorator.java:137)
at org.springframework.security.web.csrf.CsrfFilter.doFilterInternal(CsrfFilter.java:117)
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:116)
at org.springframework.security.web.ObservationFilterChainDecorator$ObservationFilter.wrapFilter(ObservationFilterChainDecorator.java:240)
at org.springframework.security.web.ObservationFilterChainDecorator$ObservationFilter.doFilter(ObservationFilterChainDecorator.java:227)
at org.springframework.security.web.ObservationFilterChainDecorator$VirtualFilterChain.doFilter(ObservationFilterChainDecorator.java:137)
at org.springframework.security.web.header.HeaderWriterFilter.doHeadersAfter(HeaderWriterFilter.java:90)
at org.springframework.security.web.header.HeaderWriterFilter.doFilterInternal(HeaderWriterFilter.java:75)
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:116)
at org.springframework.security.web.ObservationFilterChainDecorator$ObservationFilter.wrapFilter(ObservationFilterChainDecorator.java:240)
at org.springframework.security.web.ObservationFilterChainDecorator$ObservationFilter.doFilter(ObservationFilterChainDecorator.java:227)
at org.springframework.security.web.ObservationFilterChainDecorator$VirtualFilterChain.doFilter(ObservationFilterChainDecorator.java:137)
at org.springframework.security.web.context.SecurityContextHolderFilter.doFilter(SecurityContextHolderFilter.java:82)
at org.springframework.security.web.context.SecurityContextHolderFilter.doFilter(SecurityContextHolderFilter.java:69)
at org.springframework.security.web.ObservationFilterChainDecorator$ObservationFilter.wrapFilter(ObservationFilterChainDecorator.java:240)
at org.springframework.security.web.ObservationFilterChainDecorator$ObservationFilter.doFilter(ObservationFilterChainDecorator.java:227)
at org.springframework.security.web.ObservationFilterChainDecorator$VirtualFilterChain.doFilter(ObservationFilterChainDecorator.java:137)
at org.springframework.security.web.context.request.async.WebAsyncManagerIntegrationFilter.doFilterInternal(WebAsyncManagerIntegrationFilter.java:62)
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:116)
at org.springframework.security.web.ObservationFilterChainDecorator$ObservationFilter.wrapFilter(ObservationFilterChainDecorator.java:240)
at org.springframework.security.web.ObservationFilterChainDecorator$ObservationFilter.doFilter(ObservationFilterChainDecorator.java:227)
at org.springframework.security.web.ObservationFilterChainDecorator$VirtualFilterChain.doFilter(ObservationFilterChainDecorator.java:137)
at org.springframework.security.web.session.DisableEncodeUrlFilter.doFilterInternal(DisableEncodeUrlFilter.java:42)
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:116)
at org.springframework.security.web.ObservationFilterChainDecorator$ObservationFilter.wrapFilter(ObservationFilterChainDecorator.java:240)
at org.springframework.security.web.ObservationFilterChainDecorator$AroundFilterObservation$SimpleAroundFilterObservation.lambda$wrap$0(ObservationFilterChainDecorator.java:323)
at org.springframework.security.web.ObservationFilterChainDecorator$ObservationFilter.doFilter(ObservationFilterChainDecorator.java:224)
at org.springframework.security.web.ObservationFilterChainDecorator$VirtualFilterChain.doFilter(ObservationFilterChainDecorator.java:137)
at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:233)
at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:191)
at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:113)
at org.springframework.web.servlet.handler.HandlerMappingIntrospector.lambda$createCacheFilter$4(HandlerMappingIntrospector.java:267)
at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:113)
at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:74)
at org.springframework.security.config.annotation.web.configuration.WebMvcSecurityConfiguration$CompositeFilterChainProxy.doFilter(WebMvcSecurityConfiguration.java:238)
at org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:362)
at org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:278)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:164)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:140)
at org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:100)
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:116)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:164)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:140)
at org.springframework.web.filter.FormContentFilter.doFilterInternal(FormContentFilter.java:93)
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:116)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:164)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:140)
at org.springframework.web.filter.ServerHttpObservationFilter.doFilterInternal(ServerHttpObservationFilter.java:110)
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:116)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:164)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:140)
at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:201)
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:116)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:164)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:140)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:167)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:90)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:483)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:116)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:93)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:74)
at org.apache.catalina.valves.RemoteIpValve.invoke(RemoteIpValve.java:732)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:344)
at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:398)
at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:63)
at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:903)
at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1769)
at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:52)
at org.apache.tomcat.util.threads.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1189)
at org.apache.tomcat.util.threads.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:658)
at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:63)
at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.lang.IllegalArgumentException: No link scheme found for com.coremedia.blueprint.cae.contentbeans.CMChannelImpl[id=164642] [class=class com.coremedia.blueprint.cae.contentbeans.CMChannelImpl]
at com.coremedia.objectserver.web.links.LinkFormatter.lambda$formatLink$1(LinkFormatter.java:99)
at java.base/java.util.Optional.orElseThrow(Optional.java:403)
at com.coremedia.objectserver.web.links.LinkFormatter.formatLink(LinkFormatter.java:98)
at de.telekom.cms.common.links.LinkService.getUrl(LinkService.java:187)
at de.telekom.cms.common.links.LinkService.createLinkToTeasable(LinkService.java:741)
at de.telekom.cms.common.links.LinkService.createLinkForTeasable(LinkService.java:535)
at de.telekom.cms.common.links.LinkService.linkFor(LinkService.java:516)
at de.telekom.cms.common.links.LinkService.linkFor(LinkService.java:474)
at jdk.internal.reflect.GeneratedMethodAccessor205.invoke(Unknown Source)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:569)
at freemarker.ext.beans.BeansWrapper.invokeMethod(BeansWrapper.java:1634)
at freemarker.ext.beans.ReflectionCallableMemberDescriptor.invokeMethod(ReflectionCallableMemberDescriptor.java:56)
at freemarker.ext.beans.MemberAndArguments.invokeMethod(MemberAndArguments.java:51)
at freemarker.ext.beans.OverloadedMethodsModel.exec(OverloadedMethodsModel.java:62)
at freemarker.core.MethodCall._eval(MethodCall.java:62)
at freemarker.core.Expression.eval(Expression.java:101)
at freemarker.core.Assignment.accept(Assignment.java:134)
at freemarker.core.Environment.visit(Environment.java:344)
at freemarker.core.Environment.visit(Environment.java:350)
at freemarker.core.Environment.process(Environment.java:323)
at com.coremedia.objectserver.view.freemarker.FreemarkerViewEngine$FreemarkerView.render(FreemarkerViewEngine.java:150)
... 322 more

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