[rules-users] Problem with execution server
David Sinclair
dsinclair at chariotsolutions.com
Wed Apr 1 14:45:00 EDT 2009
What is the XML u are posting look like?
On Wed, Apr 1, 2009 at 1:23 PM, Michael Finger <mfinger at overstock.com>wrote:
> I'm running CR1 (Guvnor and exec server) on Tomcat (tried v 5XX and 6XX)
>
> I've tried this with the mortgage package and then went simpler, I'm
> getting the same error.
> The package now has one rule:
>
> when
> eval(true)
> then
> System.out.println("It works");
>
>
>
> Compiles fine on govner, etc.
>
> My rule agent configuration is:
> newInstance=true
> #file=/foo/bar/boo.pkg /foo/bar/boo2.pkg
> #dir=/my/dir
> url=
> http://localhost:8080/drools-guvnor/org.drools.guvnor.Guvnor/package/foo/test
> #localCacheDir=/foo/bar/cache
> poll=30
> name=MyConfig
>
>
> When I post to the url (via poster in firefox) I get:
>
> <html><head><title>Apache Tomcat/5.5.17 - Error
> report</title><style><!--H1
>
> {font-family:Tahoma,Arial,sans-serif;color:white;background-color:#525D76;font-size:22px;}
> H2
>
> {font-family:Tahoma,Arial,sans-serif;color:white;background-color:#525D76;font-size:16px;}
> H3
>
> {font-family:Tahoma,Arial,sans-serif;color:white;background-color:#525D76;font-size:14px;}
> BODY
> {font-family:Tahoma,Arial,sans-serif;color:black;background-color:white;}
> B
> {font-family:Tahoma,Arial,sans-serif;color:white;background-color:#525D76;}
> P
>
> {font-family:Tahoma,Arial,sans-serif;background:white;color:black;font-size:12px;}A
> {color : black;}A.name {color : black;}HR {color : #525D76;}--></style>
> </head><body><h1>HTTP Status 500 - </h1><HR size="1"
> noshade="noshade"><p><b>type</b> Exception report</p><p><b>message</b>
> <u></u></p><p><b>description</b> <u>The server encountered an internal
> error () that prevented it from fulfilling this
> request.</u></p><p><b>exception</b>
> <pre>com.thoughtworks.xstream.io.StreamException: : only whitespace
> content allowed before start tag and not . (position: START_DOCUMENT
> seen .... @1:1)
>
> com.thoughtworks.xstream.io.xml.XppReader.pullNextEvent(XppReader.java:78)
>
>
> com.thoughtworks.xstream.io.xml.AbstractPullReader.readRealEvent(AbstractPullReader.java:137)
>
>
> com.thoughtworks.xstream.io.xml.AbstractPullReader.readEvent(AbstractPullReader.java:130)
>
>
> com.thoughtworks.xstream.io.xml.AbstractPullReader.move(AbstractPullReader.java:109)
>
>
> com.thoughtworks.xstream.io.xml.AbstractPullReader.moveDown(AbstractPullReader.java:94)
>
> com.thoughtworks.xstream.io.xml.XppReader.<init>(XppReader.java:48)
>
> com.thoughtworks.xstream.io.xml.XppDriver.createReader(XppDriver.java:44)
>
> com.thoughtworks.xstream.io.xml.XppDriver.createReader(XppDriver.java:49)
> com.thoughtworks.xstream.XStream.fromXML(XStream.java:861)
>
>
> org.drools.server.KnowledgeStatelessServlet.doService(KnowledgeStatelessServlet.java:133)
>
>
> org.drools.server.KnowledgeStatelessServlet.doPost(KnowledgeStatelessServlet.java:82)
> javax.servlet.http.HttpServlet.service(HttpServlet.java:647)
> javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
> </pre></p><p><b>note</b> <u>The full stack trace of the root cause is
> available in the Apache Tomcat/5.5.17 logs.</u></p><HR size="1"
> noshade="noshade"><h3>Apache Tomcat/5.5.17</h3></body></html>
>
>
> The full stack trace in the log doesn't contain much more info:
>
> Apr 1, 2009 11:07:04 AM org.apache.catalina.startup.Catalina start
> INFO: Server startup in 1402 ms
> RuleAgent(MyConfig) INFO (Wed Apr 01 11:07:21 MDT 2009): Configuring
> with newInstance=true, secondsToRefresh=30
> RuleAgent(MyConfig) INFO (Wed Apr 01 11:07:21 MDT 2009): Configuring
> package provider : URLScanner monitoring UR
> Ls:
>
> http://localhost:8080/drools-guvnor/org.drools.guvnor.Guvnor/package/foo/test
> RuleAgent(MyConfig) INFO (Wed Apr 01 11:07:23 MDT 2009): Applying
> changes to the rulebase.
> RuleAgent(MyConfig) INFO (Wed Apr 01 11:07:23 MDT 2009): Creating a new
> rulebase as per settings.
> RuleAgent(MyConfig) INFO (Wed Apr 01 11:07:23 MDT 2009): Adding package
> called foo
> Apr 1, 2009 11:07:23 AM org.apache.catalina.core.StandardWrapperValve
> invoke
> SEVERE: Servlet.service() for servlet statelessService threw exception
> com.thoughtworks.xstream.io.StreamException: : only whitespace content
> allowed before start tag and not . (posi
> tion: START_DOCUMENT seen .... @1:1)
> at
> com.thoughtworks.xstream.io.xml.XppReader.pullNextEvent(XppReader.java:78)
> at
>
> com.thoughtworks.xstream.io.xml.AbstractPullReader.readRealEvent(AbstractPullReader.java:137)
> at
>
> com.thoughtworks.xstream.io.xml.AbstractPullReader.readEvent(AbstractPullReader.java:130)
> at
>
> com.thoughtworks.xstream.io.xml.AbstractPullReader.move(AbstractPullReader.java:109)
> at
>
> com.thoughtworks.xstream.io.xml.AbstractPullReader.moveDown(AbstractPullReader.java:94)
> at
> com.thoughtworks.xstream.io.xml.XppReader.<init>(XppReader.java:48)
> at
> com.thoughtworks.xstream.io.xml.XppDriver.createReader(XppDriver.java:44)
> at
> com.thoughtworks.xstream.io.xml.XppDriver.createReader(XppDriver.java:49)
> at com.thoughtworks.xstream.XStream.fromXML(XStream.java:861)
> at
>
> org.drools.server.KnowledgeStatelessServlet.doService(KnowledgeStatelessServlet.java:133)
> at
>
> org.drools.server.KnowledgeStatelessServlet.doPost(KnowledgeStatelessServlet.java:82)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:647)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
> at
>
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)
> at
>
> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
> at
>
> org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)
> at
>
> org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178)
> at
>
> org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126)
> at
>
> org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105)
> at
>
> org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107)
> at
> org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148)
> at
> org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:869)
> at
>
> org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProto
> col.java:664)
> at
>
> org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:527)
> at
>
> org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:80)
> at
>
> org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:684)
> at java.lang.Thread.run(Thread.java:595)
>
>
>
> Any ideas?
>
> Thanks,
> Mike
>
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