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ASF GitHub Bot commented on GEODE-8217: --------------------------------------- lgtm-com[bot] commented on pull request #5256: URL: https://github.com/apache/geode/pull/5256#issuecomment-648449196 This pull request **fixes 1 alert** when merging 186bf85298b3606d1dff4d58c4673dd05859f1c4 into 91fd5f51ea99250753e249d2ef90a24543be9b7e - [view on LGTM.com](https://lgtm.com/projects/g/apache/geode/rev/pr-b7b483dfc467397a30d02bdc824d32c41df35b32) **fixed alerts:** * 1 for Cast from abstract to concrete collection ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: us...@infra.apache.org > Geode session replication could leak internal serialized bytes during > HttpSessionAttributeListener invocation even when preferDeserializedForm is > set to true > ------------------------------------------------------------------------------------------------------------------------------------------------------------- > > Key: GEODE-8217 > URL: https://issues.apache.org/jira/browse/GEODE-8217 > Project: Geode > Issue Type: Bug > Components: http session > Reporter: Eric Shu > Assignee: Eric Shu > Priority: Major > Labels: caching-applications > > When preferDeserializedForm is set to true (default value), session object > should not contain serialized byte in the cache. However, the following > exception shows that product leaks the serialized bytes. > {noformat} > Jun 02, 2020 3:31:58 PM org.apache.catalina.session.StandardSession > setAttribute > SEVERE: Session attribute event listener threw exception > java.lang.ClassCastException: [B cannot be cast to java.lang.String > at > org.apache.geode.modules.session.AccessAttributeValueListener.attributeReplaced(AccessAttributeValueListener.java:34) > at > org.apache.catalina.session.StandardSession.setAttribute(StandardSession.java:1482) > at > org.apache.geode.modules.session.catalina.DeltaSession.setAttribute(DeltaSession.java:262) > at > org.apache.catalina.session.StandardSession.setAttribute(StandardSession.java:1385) > at > org.apache.catalina.session.StandardSessionFacade.setAttribute(StandardSessionFacade.java:137) > at > org.apache.geode.modules.session.catalina.DeltaSessionFacade.setAttribute(DeltaSessionFacade.java:49) > at > org.apache.geode.modules.session.CommandServlet.doGet(CommandServlet.java:64) > at javax.servlet.http.HttpServlet.service(HttpServlet.java:634) > at javax.servlet.http.HttpServlet.service(HttpServlet.java:741) > 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:52) > 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:199) > at > org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96) > at > org.apache.geode.modules.session.catalina.CommitSessionValve.invoke(CommitSessionValve.java:47) > at > org.apache.geode.modules.session.catalina.JvmRouteBinderValve.invoke(JvmRouteBinderValve.java:45) > at > org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:543) > at > org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:139) > at > org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:81) > at > org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:678) > at > org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:87) > at > org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:343) > at > org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:609) > at > org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:65) > at > org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:810) > at > org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1623) > 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:748) > {noformat} > Please note if preferDeserializedForm is set to false, this issue could still > exist, unless HttpSessionBindingEvent.getValue() is not being accessed by the > application. Otherwise, user should set preferDeserializedForm to true to > avoid this issue. -- This message was sent by Atlassian Jira (v8.3.4#803005)