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Tomcat startup error:

Serious: A child container failed during startjava.util.concurrent.ExecutionException: org.apache.catalina.LifecycleException: Failed to start component [StandardEngine.StandardHost [localhost] .Stan dardContext [/ gbp]] at java.util.concurrent.FutureTask.report (FutureTask.java:122) at java.util.concurrent.FutureTask.get (FutureTask.java:192) at org.apache.catalina.core.ContainerBase.startInternal (ContainerBase.java:1123) at org.apache.catalina .core.StandardHost. StartInternal (StandardHost.java:800) at org.apache.catalina.util.LifecycleBase.start (LifecycleBase.java:150) at org.apache.catalina.core.ContainerBase$StartChild.call (ContainerBase.java:1559) at org.apache.catalina.core.ContainerBase$StartChild.call (ContainerBase.java:1549) at java.util.concurrent.FutureTask.run (FutureTask.java:266) at java.util.concurrent.ThreadPoolExecutor.runWorker (ThreadPoolExecutor. Java:1142) at java.util.concurrent.ThreadPoolExecutor$Worker.run (ThreadPoolExecutor.java:617) at java.lang.Thread.run (Thread.java:745) Caused by: org.apache.catalina.LifecycleException: Failed to start component [StandardEngine.StandardHost [localhost] .StandardContext [/ gbp]] at org.apache.catalina.util.LifecycleBase.start (LifecycleBase.java:154)... 6 moreCaused by: java.lang.IllegalStateException: Unable to complete the Scan for annotations for web application [/ gbp] due to a StackOverflowError. Possible root causes include a too low setting for-Xss and illegal cyclic inheritance dependencies. The class hierarchy being processed was [org.bouncycastle.asn1.ASN1EncodableVector- > org.bouncycastle.asn1.DEREncodableVector- > org.bouncycastle.asn1.ASN1EncodableVector] at org.apache.catalina.startup.ContextConfig.checkHandlesTypes (ContextConfig.java:2188) at org.apache.catalina.startup.ContextConfig.processAnnotationsStream (ContextConfig.java:2135) at org.apache.catalina.startup.ContextConfig.processAnnotationsJar (ContextConfig.java:2010) at org.apache.catalina.startup.ContextConfig.processAnnotationsUrl (ContextConfig.java : 1976) at org.apache.catalina.startup.ContextConfig.processAnnotations (ContextConfig.java:1961) at org.apache.catalina.startup.ContextConfig.webConfig (ContextConfig.java:1319) at org.apache.catalina.startup.ContextConfig.configureStart (ContextConfig.java:878) at org.apache.catalina.startup.ContextConfig.lifecycleEvent (ContextConfig.java:376) at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent (LifecycleSupport.java:119) At org.apache.catalina.util.LifecycleBase.fireLifecycleEvent (LifecycleBase.java:90) at org.apache.catalina.core.StandardContext.startInternal (StandardContext.java:5322) at org.apache.catalina.util.LifecycleBase.start (LifecycleBase.java:150)... 6 more October 28 2019 9:13:41 org.apache.catalina.core.ContainerBase startInternal serious: A child container failed during startjava.util.concurrent.ExecutionException: org.apache.catalina.LifecycleException: Failed to start component [StandardEngine.StandardHost [localhost]] at java.util.concurrent.FutureTask.report (FutureTask.java:122) at java.util.concurrent.FutureTask.get (FutureTask.java:192) at org.apache.catalina.core.ContainerBase.startInternal (ContainerBase.java: 1123) at org.apache.catalina.core.StandardEngine.startInternal (StandardEngine.java:302) at org.apache.catalina.util.LifecycleBase.start (LifecycleBase.java:150) at org.apache.catalina.core.StandardService.startInternal (StandardService.java:443) at org.apache.catalina.util.LifecycleBase.start (LifecycleBase.java:150) at org.apache.catalina.core.StandardServer.startInternal (StandardServer.java:732)

The main errors are:

Unable to complete the scan for annotations for web application [/ gbp] due to a StackOverflowError. Possible root causes include a too low setting for-Xss and illegal cyclic inheritance dependencies. The class hierarchy being processed was [org.bouncycastle.asn1.ASN1EncodableVector- > org.bouncycastle.asn1.DEREncodableVector- > org.bouncycastle.asn1.ASN1EncodableVector

After searching on the Internet, many of them said that they modified the configuration file of catalina.properties, but even if the problem was solved, it was not the best way.

The root cause of this problem is a jar package conflict, resulting in a stack overflow. So what should be considered is how to solve the problem of jar dependency.

Start with the class org.bouncycastle.asn1.ASN1Boolean. Check that ASN1Boolean` appears in two packages in the system:

Org.bouncycastlebcprov-jdk16

And

Org.bouncycastlebcprov-jdk15on

So according to the actual situation, just remove one.

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