Occasional java.lang.NullPointerException error

[Juan Aguilar]

Occasionally, I get an e-mail alert with the following message:

This email is sent because the buglog server could not be contacted. The error was: java.lang.NullPointerException

Any suggestions on how to troubleshoot this? There's not much going on in the logs, except sometimes, a sequence like this in catalina.out:

BugLogListener: 00:46:00: Processing queue. Queue size: 1

BugLogListener: 00:52:00: Processing queue. Queue size: 1

string BuglogHQ Init. Using instance: default 

 

string BuglogHQ Init. Using instance: default 

 

BugLogListener: 06:32:00: Processing queue. Queue size: 1

BugLogListener: 06:36:00: Processing queue. Queue size: 1

(With spaces like that.)

[Oscar Arevalo]

@Juan are you running the buglog server on the same box as the app that posts to it?

If not, you should be looking at the logs of the box where the app is. That error happens when the app is unable to reach the server for some reason.

Oscar

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Oscar Arevalo

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[Juan Aguilar]

Hi Oscar,

I'm running buglog on a different server. Here's the trace which is thrown on the app server that's trying to report the error:

java.lang.NullPointerException

at lucee.runtime.type.scope.CGIImplReadOnly.get(CGIImplReadOnly.java:154)

at lucee.runtime.type.util.StructUtil.toDumpTable(StructUtil.java:187)

at lucee.runtime.type.scope.CGIImplReadOnly.toDumpData(CGIImplReadOnly.java:340)

at lucee.runtime.dump.DumpUtil.toDumpData(DumpUtil.java:242)

at lucee.runtime.type.util.StructUtil.toDumpTable(StructUtil.java:187)

at lucee.runtime.type.util.StructSupport.toDumpData(StructSupport.java:146)

at lucee.runtime.dump.DumpUtil.toDumpData(DumpUtil.java:242)

at lucee.runtime.functions.other.DumpStruct.call(DumpStruct.java:91)

at dump_cfc$cf.udfCall1(/opt/railo/lib/lucee-server/context/library/tag/Dump.cfc:154)

at dump_cfc$cf.udfCall(/opt/railo/lib/lucee-server/context/library/tag/Dump.cfc)

at lucee.runtime.type.UDFImpl.implementation(UDFImpl.java:111)

at lucee.runtime.type.UDFImpl._call(UDFImpl.java:328)

at lucee.runtime.type.UDFImpl.callWithNamedValues(UDFImpl.java:216)

at lucee.runtime.ComponentImpl._call(ComponentImpl.java:608)

at lucee.runtime.ComponentImpl._call(ComponentImpl.java:524)

at lucee.runtime.ComponentImpl.callWithNamedValues(ComponentImpl.java:1778)

at lucee.runtime.tag.CFTag.cfcStartTag(CFTag.java:393)

at lucee.runtime.tag.CFTag.doStartTag(CFTag.java:176)

at bugloghq.plugin.buglogservice_cfc$cf.udfCall(/var/www/www.website.com/plugins/BugLogHQ/plugin/bugLogService.cfc:501)

at lucee.runtime.type.UDFImpl.implementation(UDFImpl.java:111)

at lucee.runtime.type.UDFImpl._call(UDFImpl.java:328)

at lucee.runtime.type.UDFImpl.call(UDFImpl.java:229)

at lucee.runtime.type.scope.UndefinedImpl.call(UndefinedImpl.java:766)

at lucee.runtime.util.VariableUtilImpl.callFunctionWithoutNamedValues(VariableUtilImpl.java:742)

at lucee.runtime.PageContextImpl.getFunction(PageContextImpl.java:1590)

at bugloghq.plugin.buglogservice_cfc$cf.udfCall(/var/www/www.website.com/plugins/BugLogHQ/plugin/bugLogService.cfc:424)

at lucee.runtime.type.UDFImpl.implementation(UDFImpl.java:111)

at lucee.runtime.type.UDFImpl._call(UDFImpl.java:328)

at lucee.runtime.type.UDFImpl.call(UDFImpl.java:229)

at lucee.runtime.type.scope.UndefinedImpl.call(UndefinedImpl.java:766)

at lucee.runtime.util.VariableUtilImpl.callFunctionWithoutNamedValues(VariableUtilImpl.java:742)

at lucee.runtime.PageContextImpl.getFunction(PageContextImpl.java:1590)

at bugloghq.plugin.buglogservice_cfc$cf.udfCall(/var/www/www.website.com/plugins/BugLogHQ/plugin/bugLogService.cfc:159)

at lucee.runtime.type.UDFImpl.implementation(UDFImpl.java:111)

at lucee.runtime.type.UDFImpl._call(UDFImpl.java:328)

at lucee.runtime.type.UDFImpl.callWithNamedValues(UDFImpl.java:216)

at lucee.runtime.ComponentImpl._call(ComponentImpl.java:608)

at lucee.runtime.ComponentImpl._call(ComponentImpl.java:524)

at lucee.runtime.ComponentImpl.callWithNamedValues(ComponentImpl.java:1778)

at lucee.runtime.util.VariableUtilImpl.callFunctionWithNamedValues(VariableUtilImpl.java:773)

at lucee.runtime.PageContextImpl.getFunctionWithNamedValues(PageContextImpl.java:1600)

at bugloghq.plugin.eventhandler_cfc$cf.threadCall(/var/www/www.website.com/plugins/BugLogHQ/plugin/eventHandler.cfc:104)

at lucee.runtime.thread.ChildThreadImpl.execute(ChildThreadImpl.java:199)

at lucee.runtime.thread.ChildThreadImpl.run(ChildThreadImpl.java:148)