Looking at your stacktrace I found: &quot;<meta http-equiv="content-type" content="text/html; charset=utf-8"><span class="Apple-style-span" style="font-family: arial, sans-serif; font-size: 13px; border-collapse: collapse; ">Caused by: java.lang.ClassFormatError: Incompatible magic value 175137123 in class file com/rb/model/Contact&quot;</span><div>

<font class="Apple-style-span" face="arial, sans-serif"><span class="Apple-style-span" style="border-collapse: collapse;"><br></span></font></div><div><font class="Apple-style-span" face="arial, sans-serif"><span class="Apple-style-span" style="border-collapse: collapse;">Maybe the jar you are uploading was compiled using a newer jdk version that the one used by guvnor. Can you check that?</span></font></div>

<div><font class="Apple-style-span" face="arial, sans-serif"><span class="Apple-style-span" style="border-collapse: collapse;"><br></span></font></div><div><font class="Apple-style-span" face="arial, sans-serif"><span class="Apple-style-span" style="border-collapse: collapse;">Best, <br>

</span></font><br><div class="gmail_quote">2010/5/27 Mahalakshmi <span dir="ltr">&lt;<a href="mailto:mr2809@nyu.edu">mr2809@nyu.edu</a>&gt;</span><br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">

<br><div class="gmail_quote"><div class="gmail_quote"><div bgcolor="#ffffff" text="#000000">
hi,<br>
I am a new drools user. <br>
I setup the guvnor standalone install from the drools website.<br>
Problem occurs when i upload a .jar file while i created using eclipse.<br>
It shows that the jar file has uploaded successfully but I am unable to
&#39;save &amp; validate&#39;<br>
I get error: &quot;contact system administrator&quot;<br>
When I do &#39;Build Package&#39; I get error: Pojos have loaded .class files
using java version 1.6 and guvnor is using java version 1.5<br>
I am not understanding how I could change the java version used.<br>
Does it have anything to do with my eclipse? I set my project settings
(when I create a new java project) as J2SE1.5 and JRE6.<br>
Is that the issue???<br>
Please help.<br>
<br>
The stack trace I get is:<br>

11:39:44,904 ERROR [STDERR]
com.google.gwt.user.server.rpc.UnexpectedException: Service method
&#39;public abstract
org.drools.guvnor.client.modeldriven.SuggestionCompletionEngine
org.drools.guvnor.client.rpc.RepositoryService.loadSuggestionCompletionEngine(java.lang.String)

throws com.google.gwt.user.client.rpc.SerializableException&#39; threw an
unexpected exception: java.lang.reflect.InvocationTargetException<br>
11:39:44,904 ERROR [STDERR] at
com.google.gwt.user.server.rpc.RPC.encodeResponseForFailure(RPC.java:360)<br>
11:39:44,904 ERROR [STDERR] at
com.google.gwt.user.server.rpc.RPC.invokeAndEncodeResponse(RPC.java:546)<br>
11:39:44,904 ERROR [STDERR] at
com.google.gwt.user.server.rpc.RemoteServiceServlet.processCall(RemoteServiceServlet.java:164)<br>
11:39:44,904 ERROR [STDERR] at
com.google.gwt.user.server.rpc.RemoteServiceServlet.doPost(RemoteServiceServlet.java:86)<br>
11:39:44,904 ERROR [STDERR] at
javax.servlet.http.HttpServlet.service(HttpServlet.java:710)<br>
11:39:44,904 ERROR [STDERR] at
javax.servlet.http.HttpServlet.service(HttpServlet.java:803)<br>
11:39:44,904 ERROR [STDERR] at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)<br>
11:39:44,904 ERROR [STDERR] at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)<br>
11:39:44,904 ERROR [STDERR] at
org.jboss.seam.web.ContextFilter$1.process(ContextFilter.java:42)<br>
11:39:44,905 ERROR [STDERR] at
org.jboss.seam.servlet.ContextualHttpServletRequest.run(ContextualHttpServletRequest.java:53)<br>
11:39:44,905 ERROR [STDERR] at
org.jboss.seam.web.ContextFilter.doFilter(ContextFilter.java:37)<br>
11:39:44,905 ERROR [STDERR] at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)<br>
11:39:44,905 ERROR [STDERR] at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)<br>
11:39:44,905 ERROR [STDERR] at
org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96)<br>
11:39:44,905 ERROR [STDERR] at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)<br>
11:39:44,905 ERROR [STDERR] at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)<br>
11:39:44,905 ERROR [STDERR] at
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:230)<br>
11:39:44,906 ERROR [STDERR] at
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)<br>
11:39:44,906 ERROR [STDERR] at
org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:182)<br>
11:39:44,906 ERROR [STDERR] at
org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:84)<br>
11:39:44,906 ERROR [STDERR] at
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)<br>
11:39:44,906 ERROR [STDERR] at
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)<br>
11:39:44,906 ERROR [STDERR] at
org.jboss.web.tomcat.service.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:157)<br>
11:39:44,906 ERROR [STDERR] at
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)<br>
11:39:44,906 ERROR [STDERR] at
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:262)<br>
11:39:44,907 ERROR [STDERR] at
org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844)<br>
11:39:44,907 ERROR [STDERR] at
org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583)<br>
11:39:44,907 ERROR [STDERR] at
org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:446)<br>
11:39:44,907 ERROR [STDERR] at java.lang.Thread.run(Thread.java:613)<br>
11:39:44,907 ERROR [STDERR] Caused by:
java.lang.reflect.InvocationTargetException<br>
11:39:44,907 ERROR [STDERR] at
sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)<br>
11:39:44,907 ERROR [STDERR] at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)<br>
11:39:44,907 ERROR [STDERR] at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)<br>
11:39:44,907 ERROR [STDERR] at
java.lang.reflect.Method.invoke(Method.java:585)<br>
11:39:44,907 ERROR [STDERR] at
org.jboss.seam.util.Reflections.invoke(Reflections.java:22)<br>
11:39:44,907 ERROR [STDERR] at
org.jboss.seam.intercept.RootInvocationContext.proceed(RootInvocationContext.java:31)<br>
11:39:44,907 ERROR [STDERR] at
org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:56)<br>
11:39:44,909 ERROR [STDERR] at
org.jboss.seam.transaction.RollbackInterceptor.aroundInvoke(RollbackInterceptor.java:28)<br>
11:39:44,909 ERROR [STDERR] at
org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:68)<br>
11:39:44,909 ERROR [STDERR] at
org.jboss.seam.core.BijectionInterceptor.aroundInvoke(BijectionInterceptor.java:77)<br>
11:39:44,909 ERROR [STDERR] at
org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:68)<br>
11:39:44,909 ERROR [STDERR] at
org.jboss.seam.core.MethodContextInterceptor.aroundInvoke(MethodContextInterceptor.java:44)<br>
11:39:44,910 ERROR [STDERR] at
org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:68)<br>
11:39:44,910 ERROR [STDERR] at
org.jboss.seam.security.SecurityInterceptor.aroundInvoke(SecurityInterceptor.java:157)<br>
11:39:44,910 ERROR [STDERR] at
org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:68)<br>
11:39:44,910 ERROR [STDERR] at
org.jboss.seam.intercept.RootInterceptor.invoke(RootInterceptor.java:107)<br>
11:39:44,910 ERROR [STDERR] at
org.jboss.seam.intercept.JavaBeanInterceptor.interceptInvocation(JavaBeanInterceptor.java:166)<br>
11:39:44,910 ERROR [STDERR] at
org.jboss.seam.intercept.JavaBeanInterceptor.invoke(JavaBeanInterceptor.java:102)<br>
11:39:44,910 ERROR [STDERR] at
org.drools.guvnor.server.ServiceImplementation_$$_javassist_7.loadSuggestionCompletionEngine(ServiceImplementation_$$_javassist_7.java)<br>
11:39:44,911 ERROR [STDERR] at
org.drools.guvnor.server.RepositoryServiceServlet.loadSuggestionCompletionEngine(RepositoryServiceServlet.java:193)<br>
11:39:44,911 ERROR [STDERR] at
sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)<br>
11:39:44,911 ERROR [STDERR] at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)<br>
11:39:44,911 ERROR [STDERR] at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)<br>
11:39:44,911 ERROR [STDERR] at
java.lang.reflect.Method.invoke(Method.java:585)<br>
11:39:44,911 ERROR [STDERR] at
com.google.gwt.user.server.rpc.RPC.invokeAndEncodeResponse(RPC.java:527)<br>
11:39:44,911 ERROR [STDERR] ... 27 more<br>
11:39:44,912 ERROR [STDERR] Caused by: java.lang.ClassFormatError:
Incompatible magic value 175137123 in class file com/rb/model/Contact<br>
11:39:44,912 ERROR [STDERR] at
java.lang.ClassLoader.defineClass1(Native Method)<br>
11:39:44,912 ERROR [STDERR] at
java.lang.ClassLoader.defineClass(ClassLoader.java:675)<br>
11:39:44,912 ERROR [STDERR] at
org.drools.rule.MapBackedClassLoader.fastFindClass(MapBackedClassLoader.java:70)<br>
11:39:44,912 ERROR [STDERR] at
org.drools.rule.MapBackedClassLoader.loadClass(MapBackedClassLoader.java:89)<br>
11:39:44,912 ERROR [STDERR] at
java.lang.ClassLoader.loadClass(ClassLoader.java:251)<br>
11:39:44,912 ERROR [STDERR] at
java.lang.ClassLoader.loadClassInternal(ClassLoader.java:374)<br>
11:39:44,912 ERROR [STDERR] at java.lang.Class.forName0(Native Method)<br>
11:39:44,913 ERROR [STDERR] at java.lang.Class.forName(Class.java:242)<br>
11:39:44,913 ERROR [STDERR] at
org.drools.rule.MapBackedClassLoader.loadClass(MapBackedClassLoader.java:94)<br>
11:39:44,913 ERROR [STDERR] at
java.lang.ClassLoader.loadClass(ClassLoader.java:251)<br>
11:39:44,913 ERROR [STDERR] at
org.drools.base.ClassTypeResolver.resolveType(ClassTypeResolver.java:144)<br>
11:39:44,913 ERROR [STDERR] at
org.drools.guvnor.server.rules.SuggestionCompletionLoader.loadClass(SuggestionCompletionLoader.java:387)<br>
11:39:44,913 ERROR [STDERR] at
org.drools.guvnor.server.rules.SuggestionCompletionLoader.populateModelInfo(SuggestionCompletionLoader.java:289)<br>
11:39:44,913 ERROR [STDERR] at
org.drools.guvnor.server.rules.SuggestionCompletionLoader.processPackageHeader(SuggestionCompletionLoader.java:180)<br>
11:39:44,913 ERROR [STDERR] at
org.drools.guvnor.server.rules.SuggestionCompletionLoader.getSuggestionEngine(SuggestionCompletionLoader.java:130)<br>
11:39:44,913 ERROR [STDERR] at
org.drools.guvnor.server.util.BRMSSuggestionCompletionLoader.getSuggestionEngine(BRMSSuggestionCompletionLoader.java:52)<br>
11:39:44,914 ERROR [STDERR] at
org.drools.guvnor.server.ServiceImplementation.loadSuggestionCompletionEngine(ServiceImplementation.java:1361)<br>
11:39:44,914 ERROR [STDERR] ... 52 more<br>
<br>
Please help me!!<br>
Thank you<br>
<br>
</div>

<br></div><br>
</div><br>
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<br></blockquote></div><br><br clear="all"><br>-- <br>XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX<br><br>Esteban Aliverti<br>
</div>