[ 
https://issues.apache.org/jira/browse/STREAMPIPES-461?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17444611#comment-17444611
 ] 

Simon Bosse commented on STREAMPIPES-461:
-----------------------------------------

After the installation of streampipes I could install our custom pipeline 
elements via Install Pipeline Elements. 
Now if I click on this I am also gettting a 500 error. This is the stacktrace 
from the backend pod logs:

15:37:00.420 SP [http-nio-8030-exec-6] INFO  o.a.s.container.util.ConsulUtil - 
Load active pipeline element service endpoints
15:37:00.432 SP [http-nio-8030-exec-6] INFO  o.a.s.container.util.ConsulUtil - 
Active pe endpoint: http://hive-processor:8090
15:37:00.432 SP [http-nio-8030-exec-6] INFO  o.a.s.container.util.ConsulUtil - 
Active pe endpoint: http://hive-sink:8090
15:37:00.433 SP [http-nio-8030-exec-6] INFO  o.a.s.container.util.ConsulUtil - 
Active pe endpoint: http://pipeline-elements-all-flink:8090
15:37:00.433 SP [http-nio-8030-exec-6] INFO  o.a.s.container.util.ConsulUtil - 
Active pe endpoint: http://pipeline-elements-all-jvm:8090
15:37:00.446 SP [http-nio-8030-exec-6] WARN  
o.a.s.m.endpoint.EndpointItemFetcher - Processing Element Descriptions could 
not be fetched from RDF endpoint: 
http://localhost:8099/api/v1/[email protected]/master/sources/
15:37:00.446 SP [http-nio-8030-exec-6] WARN  
o.a.s.m.endpoint.EndpointItemFetcher - Processing Element Descriptions could 
not be fetched from RDF endpoint: http://localhost:8090
15:37:05.537 SP [http-nio-8030-exec-6] ERROR 
o.a.c.c.C.[.[.[.[.a.s.b.StreamPipesResourceConfig] - Servlet.service() for 
servlet [org.apache.streampipes.backend.StreamPipesResourceConfig] in context 
with path [/streampipes-backend] threw exception 
[java.lang.NullPointerException] with root cause
java.lang.NullPointerException: null
        at 
org.apache.streampipes.model.base.NamedStreamPipesEntity.<init>(NamedStreamPipesEntity.java:110)
        at 
org.apache.streampipes.model.SpDataStream.<init>(SpDataStream.java:107)
        at org.apache.streampipes.model.util.Cloner.mapSequence(Cloner.java:194)
        at 
org.apache.streampipes.storage.rdf4j.impl.PipelineElementInMemoryStorage.getDataStreamById(PipelineElementInMemoryStorage.java:134)
        at 
org.apache.streampipes.rest.impl.RdfEndpoint.lambda$getAllDataStreamEndpoints$4(RdfEndpoint.java:111)
        at 
org.apache.streampipes.rest.impl.RdfEndpoint$$Lambda$838/0x00000000c017c000.apply(Unknown
 Source)
        at 
java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193)
        at 
java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:175)
        at 
java.util.ArrayList$ArrayListSpliterator.forEachRemaining(ArrayList.java:1384)
        at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:497)
        at 
java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:487)
        at 
java.util.stream.ReduceOps$ReduceOp.evaluateSequential(ReduceOps.java:708)
        at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:241)
        at 
java.util.stream.ReferencePipeline.collect(ReferencePipeline.java:566)
        at 
org.apache.streampipes.rest.impl.RdfEndpoint.getAllDataStreamEndpoints(RdfEndpoint.java:113)
        at 
org.apache.streampipes.rest.impl.RdfEndpoint.getEndpointContents(RdfEndpoint.java:81)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at 
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
        at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:498)
        at 
org.glassfish.jersey.server.model.internal.ResourceMethodInvocationHandlerFactory.lambda$static$0(ResourceMethodInvocationHandlerFactory.java:52)
        at 
org.glassfish.jersey.server.model.internal.ResourceMethodInvocationHandlerFactory$$Lambda$700/0x00000000dc3271a0.invoke(Unknown
 Source)
        at 
org.glassfish.jersey.server.model.internal.AbstractJavaResourceMethodDispatcher$1.run(AbstractJavaResourceMethodDispatcher.java:124)
        at 
org.glassfish.jersey.server.model.internal.AbstractJavaResourceMethodDispatcher.invoke(AbstractJavaResourceMethodDispatcher.java:167)
        at 
org.glassfish.jersey.server.model.internal.JavaResourceMethodDispatcherProvider$ResponseOutInvoker.doDispatch(JavaResourceMethodDispatcherProvider.java:176)
        at 
org.glassfish.jersey.server.model.internal.AbstractJavaResourceMethodDispatcher.dispatch(AbstractJavaResourceMethodDispatcher.java:79)
        at 
org.glassfish.jersey.server.model.ResourceMethodInvoker.invoke(ResourceMethodInvoker.java:475)
        at 
org.glassfish.jersey.server.model.ResourceMethodInvoker.apply(ResourceMethodInvoker.java:397)
        at 
org.glassfish.jersey.server.model.ResourceMethodInvoker.apply(ResourceMethodInvoker.java:81)
        at 
org.glassfish.jersey.server.ServerRuntime$1.run(ServerRuntime.java:255)
        at org.glassfish.jersey.internal.Errors$1.call(Errors.java:248)
        at org.glassfish.jersey.internal.Errors$1.call(Errors.java:244)
        at org.glassfish.jersey.internal.Errors.process(Errors.java:292)
        at org.glassfish.jersey.internal.Errors.process(Errors.java:274)
        at org.glassfish.jersey.internal.Errors.process(Errors.java:244)
        at 
org.glassfish.jersey.process.internal.RequestScope.runInScope(RequestScope.java:265)
        at 
org.glassfish.jersey.server.ServerRuntime.process(ServerRuntime.java:234)
        at 
org.glassfish.jersey.server.ApplicationHandler.handle(ApplicationHandler.java:680)
        at 
org.glassfish.jersey.servlet.WebComponent.serviceImpl(WebComponent.java:394)
        at 
org.glassfish.jersey.servlet.WebComponent.service(WebComponent.java:346)
        at 
org.glassfish.jersey.servlet.ServletContainer.service(ServletContainer.java:366)
        at 
org.glassfish.jersey.servlet.ServletContainer.service(ServletContainer.java:319)
        at 
org.glassfish.jersey.servlet.ServletContainer.service(ServletContainer.java:205)
        at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231)
        at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
        at 
org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)
        at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
        at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
        at 
org.apache.shiro.web.servlet.ProxiedFilterChain.doFilter(ProxiedFilterChain.java:61)
        at 
org.apache.shiro.web.servlet.AdviceFilter.executeChain(AdviceFilter.java:108)
        at 
org.apache.shiro.web.servlet.AdviceFilter.doFilterInternal(AdviceFilter.java:137)
        at 
org.apache.shiro.web.servlet.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:125)
        at 
org.apache.shiro.web.servlet.ProxiedFilterChain.doFilter(ProxiedFilterChain.java:66)
        at 
org.apache.shiro.web.servlet.AdviceFilter.executeChain(AdviceFilter.java:108)
        at 
org.apache.shiro.web.servlet.AdviceFilter.doFilterInternal(AdviceFilter.java:137)
        at 
org.apache.shiro.web.servlet.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:125)
        at 
org.apache.shiro.web.servlet.ProxiedFilterChain.doFilter(ProxiedFilterChain.java:66)
        at 
org.apache.shiro.web.servlet.AdviceFilter.executeChain(AdviceFilter.java:108)
        at 
org.apache.shiro.web.servlet.AdviceFilter.doFilterInternal(AdviceFilter.java:137)
        at 
org.apache.shiro.web.servlet.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:125)
        at 
org.apache.shiro.web.servlet.ProxiedFilterChain.doFilter(ProxiedFilterChain.java:66)
        at 
org.apache.shiro.web.servlet.AbstractShiroFilter.executeChain(AbstractShiroFilter.java:450)
        at 
org.apache.shiro.web.servlet.AbstractShiroFilter$1.call(AbstractShiroFilter.java:365)
        at 
org.apache.shiro.subject.support.SubjectCallable.doCall(SubjectCallable.java:90)
        at 
org.apache.shiro.subject.support.SubjectCallable.call(SubjectCallable.java:83)
        at 
org.apache.shiro.subject.support.DelegatingSubject.execute(DelegatingSubject.java:387)
        at 
org.apache.shiro.web.servlet.AbstractShiroFilter.doFilterInternal(AbstractShiroFilter.java:362)
        at 
org.apache.shiro.web.servlet.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:125)
        at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
        at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
        at 
org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:100)
        at 
org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:119)
        at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
        at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
        at 
org.springframework.web.filter.FormContentFilter.doFilterInternal(FormContentFilter.java:93)
        at 
org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:119)
        at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
        at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
        at 
org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:201)
        at 
org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:119)
        at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
        at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
        at 
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:202)
        at 
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:97)
        at 
org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:542)
        at 
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:143)
        at 
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:92)
        at 
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:78)
        at 
org.apache.catalina.valves.RemoteIpValve.invoke(RemoteIpValve.java:764)
        at 
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:343)
        at 
org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:374)
        at 
org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:65)
        at 
org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:888)
        at 
org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1597)
        at 
org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
        at 
org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
        at java.lang.Thread.run(Thread.java:823)

> 500 error if mqtt adapter is created
> ------------------------------------
>
>                 Key: STREAMPIPES-461
>                 URL: https://issues.apache.org/jira/browse/STREAMPIPES-461
>             Project: StreamPipes
>          Issue Type: Bug
>            Reporter: Simon Bosse
>            Priority: Major
>
> Hi,
> we are running streampipes Version 0.68 inside kubernetes. At the moment we 
> have the problem that if a mqtt adapter is created after clicking on "Start 
> adapter" the message "Please wait while your adapter is generated" keeps 
> spinning. If I look at the requests in the browser I can see that there is a 
> 500 error. 
> If I open then streampipes in a new window under connect/adapters I can see 
> the adapter but it is not shown in the pipeline editor.
> In the logs of the backend pod I see this 500 error. What can be the cause of 
> this?
> 10:12:29.643 SP [http-nio-8030-exec-2] INFO  
> o.a.s.c.c.m.m.AdapterMasterManagement - Start adapter
> 10:12:29.647 SP [http-nio-8030-exec-2] INFO  
> o.a.s.c.c.m.m.AdapterMasterManagement - Install source (source URL: 
> http://backend:8030/streampipes-backend/api/v2/connect/[email protected]/master/sources/69f9ff51-f7f0-40b1-8948-20c76a269fa4
>  in backend over URL: 
> http://backend:8030/streampipes-backend/api/v2/noauth/users/[email protected]/element
> 10:12:29.676 SP [http-nio-8030-exec-2] ERROR 
> o.a.c.c.C.[.[.[.[.a.s.b.StreamPipesResourceConfig] - Servlet.service() for 
> servlet [org.apache.streampipes.backend.StreamPipesResourceConfig] in context 
> with path [/streampipes-backend] threw exception 
> [javax.persistence.PersistenceException: 
> javax.persistence.PersistenceException: 
> javax.persistence.PersistenceException: java.lang.NullPointerException] with 
> root cause
> java.lang.NullPointerException: null
>       at 
> io.fogsy.empire.core.empire.impl.EntityManagerImpl$MergeCascade.cascade(EntityManagerImpl.java:530)
>       at 
> io.fogsy.empire.core.empire.impl.EntityManagerImpl$CascadeAction.test(EntityManagerImpl.java:580)
>       at 
> io.fogsy.empire.core.empire.impl.EntityManagerImpl.cascadeOperation(EntityManagerImpl.java:516)
>       at 
> io.fogsy.empire.core.empire.impl.EntityManagerImpl.persist(EntityManagerImpl.java:360)
>       at 
> io.fogsy.empire.core.empire.impl.EntityManagerImpl$MergeCascade.cascade(EntityManagerImpl.java:535)
>       at 
> io.fogsy.empire.core.empire.impl.EntityManagerImpl$CascadeAction.test(EntityManagerImpl.java:580)
>       at 
> io.fogsy.empire.core.empire.impl.EntityManagerImpl.cascadeOperation(EntityManagerImpl.java:516)
>       at 
> io.fogsy.empire.core.empire.impl.EntityManagerImpl.persist(EntityManagerImpl.java:360)
>       at 
> io.fogsy.empire.core.empire.impl.EntityManagerImpl$MergeCascade.cascade(EntityManagerImpl.java:535)
>       at 
> io.fogsy.empire.core.empire.impl.EntityManagerImpl$CascadeAction.test(EntityManagerImpl.java:584)
>       at 
> io.fogsy.empire.core.empire.impl.EntityManagerImpl.cascadeOperation(EntityManagerImpl.java:516)
>       at 
> io.fogsy.empire.core.empire.impl.EntityManagerImpl.persist(EntityManagerImpl.java:360)
>       at 
> org.apache.streampipes.storage.rdf4j.impl.PipelineElementStorageRequests.storeDataStream(PipelineElementStorageRequests.java:57)
>       at 
> org.apache.streampipes.storage.rdf4j.impl.PipelineElementInMemoryStorage.storeDataStream(PipelineElementInMemoryStorage.java:104)
>       at 
> org.apache.streampipes.manager.verification.DataStreamVerifier.store(DataStreamVerifier.java:51)
>       at 
> org.apache.streampipes.manager.verification.ElementVerifier.verifyAndAdd(ElementVerifier.java:100)
>       at 
> org.apache.streampipes.connect.container.master.management.AdapterMasterManagement.installDataSource(AdapterMasterManagement.java:125)
>       at 
> org.apache.streampipes.connect.container.master.management.AdapterMasterManagement.addAdapter(AdapterMasterManagement.java:118)
>       at 
> org.apache.streampipes.connect.container.master.rest.AdapterResource.addAdapter(AdapterResource.java:56)
>       at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>       at 
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
>       at 
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>       at java.lang.reflect.Method.invoke(Method.java:498)
>       at 
> org.glassfish.jersey.server.model.internal.ResourceMethodInvocationHandlerFactory.lambda$static$0(ResourceMethodInvocationHandlerFactory.java:52)
>       at 
> org.glassfish.jersey.server.model.internal.ResourceMethodInvocationHandlerFactory$$Lambda$700/0x000000002406e8f0.invoke(Unknown
>  Source)
>       at 
> org.glassfish.jersey.server.model.internal.AbstractJavaResourceMethodDispatcher$1.run(AbstractJavaResourceMethodDispatcher.java:124)
>       at 
> org.glassfish.jersey.server.model.internal.AbstractJavaResourceMethodDispatcher.invoke(AbstractJavaResourceMethodDispatcher.java:167)
>       at 
> org.glassfish.jersey.server.model.internal.JavaResourceMethodDispatcherProvider$ResponseOutInvoker.doDispatch(JavaResourceMethodDispatcherProvider.java:176)
>       at 
> org.glassfish.jersey.server.model.internal.AbstractJavaResourceMethodDispatcher.dispatch(AbstractJavaResourceMethodDispatcher.java:79)
>       at 
> org.glassfish.jersey.server.model.ResourceMethodInvoker.invoke(ResourceMethodInvoker.java:475)
>       at 
> org.glassfish.jersey.server.model.ResourceMethodInvoker.apply(ResourceMethodInvoker.java:397)
>       at 
> org.glassfish.jersey.server.model.ResourceMethodInvoker.apply(ResourceMethodInvoker.java:81)
>       at 
> org.glassfish.jersey.server.ServerRuntime$1.run(ServerRuntime.java:255)
>       at org.glassfish.jersey.internal.Errors$1.call(Errors.java:248)
>       at org.glassfish.jersey.internal.Errors$1.call(Errors.java:244)
>       at org.glassfish.jersey.internal.Errors.process(Errors.java:292)
>       at org.glassfish.jersey.internal.Errors.process(Errors.java:274)
>       at org.glassfish.jersey.internal.Errors.process(Errors.java:244)
>       at 
> org.glassfish.jersey.process.internal.RequestScope.runInScope(RequestScope.java:265)
>       at 
> org.glassfish.jersey.server.ServerRuntime.process(ServerRuntime.java:234)
>       at 
> org.glassfish.jersey.server.ApplicationHandler.handle(ApplicationHandler.java:680)
>       at 
> org.glassfish.jersey.servlet.WebComponent.serviceImpl(WebComponent.java:394)
>       at 
> org.glassfish.jersey.servlet.WebComponent.service(WebComponent.java:346)
>       at 
> org.glassfish.jersey.servlet.ServletContainer.service(ServletContainer.java:366)
>       at 
> org.glassfish.jersey.servlet.ServletContainer.service(ServletContainer.java:319)
>       at 
> org.glassfish.jersey.servlet.ServletContainer.service(ServletContainer.java:205)
>       at 
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231)
>       at 
> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
>       at 
> org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)
>       at 
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
>       at 
> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
>       at 
> org.apache.shiro.web.servlet.ProxiedFilterChain.doFilter(ProxiedFilterChain.java:61)
>       at 
> org.apache.shiro.web.servlet.AdviceFilter.executeChain(AdviceFilter.java:108)
>       at 
> org.apache.shiro.web.servlet.AdviceFilter.doFilterInternal(AdviceFilter.java:137)
>       at 
> org.apache.shiro.web.servlet.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:125)
>       at 
> org.apache.shiro.web.servlet.ProxiedFilterChain.doFilter(ProxiedFilterChain.java:66)
>       at 
> org.apache.shiro.web.servlet.AdviceFilter.executeChain(AdviceFilter.java:108)
>       at 
> org.apache.shiro.web.servlet.AdviceFilter.doFilterInternal(AdviceFilter.java:137)
>       at 
> org.apache.shiro.web.servlet.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:125)
>       at 
> org.apache.shiro.web.servlet.ProxiedFilterChain.doFilter(ProxiedFilterChain.java:66)
>       at 
> org.apache.shiro.web.servlet.AdviceFilter.executeChain(AdviceFilter.java:108)
>       at 
> org.apache.shiro.web.servlet.AdviceFilter.doFilterInternal(AdviceFilter.java:137)
>       at 
> org.apache.shiro.web.servlet.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:125)
>       at 
> org.apache.shiro.web.servlet.ProxiedFilterChain.doFilter(ProxiedFilterChain.java:66)
>       at 
> org.apache.shiro.web.servlet.AbstractShiroFilter.executeChain(AbstractShiroFilter.java:450)
>       at 
> org.apache.shiro.web.servlet.AbstractShiroFilter$1.call(AbstractShiroFilter.java:365)
>       at 
> org.apache.shiro.subject.support.SubjectCallable.doCall(SubjectCallable.java:90)
>       at 
> org.apache.shiro.subject.support.SubjectCallable.call(SubjectCallable.java:83)
>       at 
> org.apache.shiro.subject.support.DelegatingSubject.execute(DelegatingSubject.java:387)
>       at 
> org.apache.shiro.web.servlet.AbstractShiroFilter.doFilterInternal(AbstractShiroFilter.java:362)
>       at 
> org.apache.shiro.web.servlet.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:125)
>       at 
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
>       at 
> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
>       at 
> org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:100)
>       at 
> org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:119)
>       at 
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
>       at 
> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
>       at 
> org.springframework.web.filter.FormContentFilter.doFilterInternal(FormContentFilter.java:93)
>       at 
> org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:119)
>       at 
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
>       at 
> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
>       at 
> org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:201)
>       at 
> org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:119)
>       at 
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
>       at 
> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
>       at 
> org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:202)
>       at 
> org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:97)
>       at 
> org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:542)
>       at 
> org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:143)
>       at 
> org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:92)
>       at 
> org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:78)
>       at 
> org.apache.catalina.valves.RemoteIpValve.invoke(RemoteIpValve.java:764)
>       at 
> org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:343)
>       at 
> org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:374)
>       at 
> org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:65)
>       at 
> org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:888)
>       at 
> org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1597)
>       at 
> org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)
>       at 
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
>       at 
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
>       at 
> org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
>       at java.lang.Thread.run(Thread.java:823)



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