Description
If a B2 (Building Block) install job for a SaaS instance fails, after the Environment is accessed, navigating to System Admin > Tabs and Modules > Modules will throw a Null Pointer Exception.
Symptoms
java.lang.NullPointerException at blackboard.webapps.portal.struts.ManageModulesAction.pluginIsAvailable(ManageModulesAction.java:325) at blackboard.webapps.portal.struts.ManageModulesAction.processSearch(ManageModulesAction.java:272) at blackboard.webapps.portal.struts.ManageModulesAction.initPageForDisplay(ManageModulesAction.java:133) at blackboard.webapps.portal.struts.ManageModulesAction.execute(ManageModulesAction.java:107) at org.apache.struts.chain.commands.servlet.ExecuteAction.execute(ExecuteAction.java:53) at org.apache.struts.chain.commands.AbstractExecuteAction.execute(AbstractExecuteAction.java:64) at org.apache.struts.chain.commands.ActionCommandBase.execute(ActionCommandBase.java:48) at org.apache.commons.chain.impl.ChainBase.execute(ChainBase.java:191) at org.apache.commons.chain.generic.LookupCommand.execute(LookupCommand.java:305) at org.apache.commons.chain.impl.ChainBase.execute(ChainBase.java:191) at org.apache.struts.chain.ComposableRequestProcessor.process(ComposableRequestProcessor.java:280) at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1858) at org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:446) at javax.servlet.http.HttpServlet.service(HttpServlet.java:635) at blackboard.struts.BbActionServlet.service(BbActionServlet.java:103) at javax.servlet.http.HttpServlet.service(HttpServlet.java:742) at sun.reflect.GeneratedMethodAccessor492.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at org.apache.catalina.security.SecurityUtil$1.run(SecurityUtil.java:282) at org.apache.catalina.security.SecurityUtil$1.run(SecurityUtil.java:279) at java.security.AccessController.doPrivileged(Native Method) at javax.security.auth.Subject.doAsPrivileged(Subject.java:549) at org.apache.catalina.security.SecurityUtil.execute(SecurityUtil.java:314) at org.apache.catalina.security.SecurityUtil.doAsPrivilege(SecurityUtil.java:170) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:224) at org.apache.catalina.core.ApplicationFilterChain.access$000(ApplicationFilterChain.java:46) at org.apache.catalina.core.ApplicationFilterChain$1.run(ApplicationFilterChain.java:148) at org.apache.catalina.core.ApplicationFilterChain$1.run(ApplicationFilterChain.java:144) at java.security.AccessController.doPrivileged(Native Method) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:143) at blackboard.platform.servlet.DevNonceFilter.doFilter(DevNonceFilter.java:68) at sun.reflect.GeneratedMethodAccessor445.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at org.apache.catalina.security.SecurityUtil$1.run(SecurityUtil.java:282) at org.apache.catalina.security.SecurityUtil$1.run(SecurityUtil.java:279) at java.security.AccessController.doPrivileged(Native Method) at javax.security.auth.Subject.doAsPrivileged(Subject.java:549) at org.apache.catalina.security.SecurityUtil.execute(SecurityUtil.java:314) at org.apache.catalina.security.SecurityUtil.doAsPrivilege(SecurityUtil.java:253) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:190) at org.apache.catalina.core.ApplicationFilterChain.access$000(ApplicationFilterChain.java:46) at org.apache.catalina.core.ApplicationFilterChain$1.run(ApplicationFilterChain.java:148) at org.apache.catalina.core.ApplicationFilterChain$1.run(ApplicationFilterChain.java:144) at java.security.AccessController.doPrivileged(Native Method) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:143) at blackboard.platform.servlet.B2ContextFilter.doFilter(B2ContextFilter.java:137) at sun.reflect.GeneratedMethodAccessor445.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) ... at org.apache.catalina.security.SecurityUtil$1.run(SecurityUtil.java:282) at org.apache.catalina.security.SecurityUtil$1.run(SecurityUtil.java:279) at java.security.AccessController.doPrivileged(Native Method) at javax.security.auth.Subject.doAsPrivileged(Subject.java:549) at org.apache.catalina.security.SecurityUtil.execute(SecurityUtil.java:314) at org.apache.catalina.security.SecurityUtil.doAsPrivilege(SecurityUtil.java:253) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:190) at org.apache.catalina.core.ApplicationFilterChain.access$000(ApplicationFilterChain.java:46) at org.apache.catalina.core.ApplicationFilterChain$1.run(ApplicationFilterChain.java:148) at org.apache.catalina.core.ApplicationFilterChain$1.run(ApplicationFilterChain.java:144) at java.security.AccessController.doPrivileged(Native Method) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:143) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:198) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:140) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:80) at org.apache.catalina.valves.StuckThreadDetectionValve.invoke(StuckThreadDetectionValve.java:206) at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:624) at org.apache.catalina.valves.RemoteIpValve.invoke(RemoteIpValve.java:677) at blackboard.tomcat.valves.LoggingRemoteIpValve.invoke(LoggingRemoteIpValve.java:44) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:87) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:341) at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:799) at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66) at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:861) at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1455) at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) at java.lang.Thread.run(Thread.java:748)
Steps to Replicate
After a B2 install fails in a SaaS Environment:
Log into Blackboard Learn as a System Administrator
Navigate to System Admin > [Communities] Tabs and Modules > Modules
Expected Behavior:
The Modules page loads
Observed Behavior:
An error occurred. Contact the System Administrator.
For reference, the Error ID is xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx.
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Target Release
Will Not Fix