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Exception Analysis/Understanding Required

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Babar_Qayyum
DynaMight Guru
DynaMight Guru

‎09 Feb 2021 01:22 PM

Dear All,

There is an exception java.lang.ArrayIndexOutOfBoundsException with the message 'null'.

  • What is this exception?
  • What can be the business impact of this exception?
  • Is this because of the WAS?
  • Is this because of the Oracle?
  • Is this because of the driver?

Regards,

Babar

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bobby_crumley
Dynatrace Mentor
Dynatrace Mentor

‎09 Feb 2021 04:29 PM

Hi Babar-

I don't have a ton of context with this, but all I can tell is that almost all of the contribution time comes from the execution of the statement (which is to be expected) and/or the underlying components you have blocked out. You need to look at the extra contributing factors beyond just this one screenshot, but it does appear to be coming from the prepared statements in the web server.

-Bob C

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Babar_Qayyum
DynaMight Guru
DynaMight Guru
In response to bobby_crumley

‎10 Feb 2021 06:09 AM

Hello @Bob C.

Thank you for your comments. The following is the exception stacktrace for your analysis:

oracle.jdbc.driver.DynamicByteArray.put(DynamicByteArray.java:519)
oracle.jdbc.driver.ByteArray.put(ByteArray.java:234)
oracle.jdbc.driver.T2CPreparedStatement.updateData(T2CPreparedStatement.java:2332)
oracle.jdbc.driver.T2CStatement.t2cDefineExecuteFetch(T2CStatement.java)
oracle.jdbc.driver.T2CPreparedStatement.doDefineExecuteFetch(T2CPreparedStatement.java:1578)
oracle.jdbc.driver.T2CPreparedStatement.executeForRows(T2CPreparedStatement.java:938)
oracle.jdbc.driver.OracleStatement.executeMaybeDescribe(OracleStatement.java:957)
oracle.jdbc.driver.OracleStatement.doExecuteWithTimeout(OracleStatement.java:1111)
oracle.jdbc.driver.OraclePreparedStatement.executeInternal(OraclePreparedStatement.java:4798)
oracle.jdbc.driver.OraclePreparedStatement.executeQuery(OraclePreparedStatement.java:4845)
oracle.jdbc.driver.OraclePreparedStatementWrapper.executeQuery(OraclePreparedStatementWrapper.java:1501)
com.ibm.ws.rsadapter.jdbc.WSJdbcPreparedStatement.pmiExecuteQuery(WSJdbcPreparedStatement.java:1221)
com.ibm.ws.rsadapter.jdbc.WSJdbcPreparedStatement.executeQuery(WSJdbcPreparedStatement.java:739)
com.ibm.ws.session.store.db.DatabaseHashMap.isPresent(DatabaseHashMap.java:1886)
com.ibm.ws.session.store.common.BackedStore.isPresentInExternalStore(BackedStore.java:83)
com.ibm.ws.session.store.memory.MemoryStore.idExists(MemoryStore.java:243)
com.ibm.ws.session.SessionManager.createISession(SessionManager.java:243)
com.ibm.ws.session.SessionManager.createSession(SessionManager.java:736)
com.ibm.ws.session.SessionContext.getIHttpSession(SessionContext.java:506)
com.ibm.ws.session.SessionContext.getIHttpSession(SessionContext.java:427)
com.ibm.ws.webcontainer.srt.SRTRequestContext.getSession(SRTRequestContext.java:113)
com.ibm.ws.webcontainer.srt.SRTServletRequest.getSession(SRTServletRequest.java:2212)
com.ibm.ws.webcontainer.srt.SRTServletRequest.getSession(SRTServletRequest.java:2196)
org.springframework.web.util.WebUtils.setSessionAttribute(WebUtils.java:338)
org.springframework.web.servlet.i18n.SessionLocaleResolver.setLocaleContext(SessionLocaleResolver.java:113)
org.springframework.web.servlet.i18n.AbstractLocaleContextResolver.setLocale(AbstractLocaleContextResolver.java:66)
org.springframework.web.servlet.i18n.LocaleChangeInterceptor.preHandle(LocaleChangeInterceptor.java:73)
com.ejada.ecorp.sessionmgmt.ECorpLocaleChangeInterceptor.preHandle(ECorpLocaleChangeInterceptor.java:39)
org.springframework.web.servlet.HandlerExecutionChain.applyPreHandle(HandlerExecutionChain.java:134)
org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:954)
org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:893)
org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:966)
org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:857)
javax.servlet.http.HttpServlet.service(HttpServlet.java:575)
org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:842)
javax.servlet.http.HttpServlet.service(HttpServlet.java:668)
com.ibm.ws.webcontainer.servlet.ServletWrapper.service(ServletWrapper.java:1233)
com.ibm.ws.webcontainer.servlet.ServletWrapper.handleRequest(ServletWrapper.java:782)
com.ibm.ws.webcontainer.servlet.ServletWrapper.handleRequest(ServletWrapper.java:481)
com.ibm.ws.webcontainer.servlet.ServletWrapperImpl.handleRequest(ServletWrapperImpl.java:178)
com.ibm.ws.webcontainer.filter.WebAppFilterChain.invokeTarget(WebAppFilterChain.java:136)
com.ibm.ws.webcontainer.filter.WebAppFilterChain.doFilter(WebAppFilterChain.java:97)
com.ejada.ecorp.sessionmgmt.serverrequests.ServerRequestParametersFilter.doFilter(ServerRequestParametersFilter.java:90)
com.ibm.ws.webcontainer.filter.FilterInstanceWrapper.doFilter(FilterInstanceWrapper.java:195)
com.ibm.ws.webcontainer.filter.WebAppFilterChain.doFilter(WebAppFilterChain.java:91)
com.ejada.ecorp.sessionmgmt.DenyJSPAccessFilter.doFilter(DenyJSPAccessFilter.java:72)
com.ibm.ws.webcontainer.filter.FilterInstanceWrapper.doFilter(FilterInstanceWrapper.java:195)
com.ibm.ws.webcontainer.filter.WebAppFilterChain.doFilter(WebAppFilterChain.java:91)
org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:85)
org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
com.ibm.ws.webcontainer.filter.FilterInstanceWrapper.doFilter(FilterInstanceWrapper.java:195)
com.ibm.ws.webcontainer.filter.WebAppFilterChain.doFilter(WebAppFilterChain.java:91)
com.ejada.ecorp.sessionmgmt.DenyWebResourcesAccessFilter.doFilter(DenyWebResourcesAccessFilter.java:55)
com.ibm.ws.webcontainer.filter.FilterInstanceWrapper.doFilter(FilterInstanceWrapper.java:195)
com.ibm.ws.webcontainer.filter.WebAppFilterChain.doFilter(WebAppFilterChain.java:91)
com.ibm.ws.webcontainer.filter.WebAppFilterManager.doFilter(WebAppFilterManager.java:967)
com.ibm.ws.webcontainer.filter.WebAppFilterManager.invokeFilters(WebAppFilterManager.java:1107)
com.ibm.ws.webcontainer.servlet.CacheServletWrapper.handleRequest(CacheServletWrapper.java:87)
com.ibm.ws.webcontainer.WebContainer.handleRequest(WebContainer.java:949)
com.ibm.ws.webcontainer.WSWebContainer.handleRequest(WSWebContainer.java:1817)
com.ibm.ws.webcontainer.channel.WCChannelLink.ready(WCChannelLink.java:213)
com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.handleDiscrimination(HttpInboundLink.java:463)
com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.handleNewRequest(HttpInboundLink.java:530)
com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.processRequest(HttpInboundLink.java:316)
com.ibm.ws.http.channel.inbound.impl.HttpICLReadCallback.complete(HttpICLReadCallback.java:88)
com.ibm.ws.tcp.channel.impl.WorkQueueManager.requestComplete(WorkQueueManager.java:558)
com.ibm.ws.tcp.channel.impl.WorkQueueManager.attemptIO(WorkQueueManager.java:608)
com.ibm.ws.tcp.channel.impl.WorkQueueManager.workerRun(WorkQueueManager.java:985)
com.ibm.ws.tcp.channel.impl.WorkQueueManager$Worker.run(WorkQueueManager.java:1074)
com.ibm.ws.util.ThreadPool$Worker.run(ThreadPool.java:1892)

Regards,

Babar

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julien_duhamel1
Participant

‎18 Mar 2021 10:19 AM

Hello Babar,

You don't have any exception from the service  who call  Oracle? 

 

regards

 

Julien D.

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