Essential Viewer install issue

Post Reply
trinhtuan
Posts: 14
Joined: 13 Dec 2012, 08:48

Hi all,
I installed everything without any errors, the Protege work fine with Essential meta-model however the Essential Viewer does not work.

If I access to
http://localhost:8080/essential_viewer/
or
http://localhost:8080/essential_viewer/reportService
then receiving HTTP error 503

I use Win7 and below is Tomcat log with some errors while loading Essential Viewer although the folder essential_viewer was created in webapps.

Any suggestion ? Thank you very much.

----- Tomcat Log
Dec 13, 2012 8:37:04 AM org.apache.catalina.core.AprLifecycleListener init
INFO: Loaded APR based Apache Tomcat Native library 1.1.23 using APR version 1.4
.6.
Dec 13, 2012 8:37:04 AM org.apache.catalina.core.AprLifecycleListener init
INFO: APR capabilities: IPv6 [true], sendfile [true], accept filters [false], ra
ndom [true].
Dec 13, 2012 8:37:05 AM org.apache.catalina.core.AprLifecycleListener initialize
SSL
INFO: OpenSSL successfully initialized with version OpenSSL 1.0.0g 18 Jan 2012
Dec 13, 2012 8:37:05 AM org.apache.coyote.http11.Http11AprProtocol init
INFO: Initializing Coyote HTTP/1.1 on http-8080
Dec 13, 2012 8:37:05 AM org.apache.coyote.ajp.AjpAprProtocol init
INFO: Initializing Coyote AJP/1.3 on ajp-8009
Dec 13, 2012 8:37:05 AM org.apache.catalina.startup.Catalina load
INFO: Initialization processed in 1895 ms
Dec 13, 2012 8:37:05 AM org.apache.catalina.core.StandardService start
INFO: Starting service Catalina
Dec 13, 2012 8:37:05 AM org.apache.catalina.core.StandardEngine start
INFO: Starting Servlet Engine: Apache Tomcat/6.0.36
Dec 13, 2012 8:37:05 AM org.apache.catalina.startup.HostConfig deployDescriptor
INFO: Deploying configuration descriptor host-manager.xml
Dec 13, 2012 8:37:06 AM org.apache.catalina.startup.HostConfig deployDescriptor
INFO: Deploying configuration descriptor manager.xml
Dec 13, 2012 8:37:06 AM org.apache.catalina.startup.HostConfig deployWAR
INFO: Deploying web application archive essential_viewer.war
Dec 13, 2012 8:37:06 AM org.apache.tomcat.util.modeler.Registry registerComponen
t
SEVERE: Null component Catalina:type=JspMonitor,name=jsp,WebModule=//localhost/e
ssential_viewer,J2EEApplication=none,J2EEServer=none
Dec 13, 2012 8:37:06 AM org.apache.catalina.startup.HostConfig deployWAR
SEVERE: Error deploying web application archive essential_viewer.war
java.lang.UnsupportedClassVersionError: Bad version number in .class file (unabl
e to load class com.enterprise_architecture.essential.report.ReportServiceImages
)
at org.apache.catalina.loader.WebappClassLoader.findClassInternal(Webapp
ClassLoader.java:2858)
at org.apache.catalina.loader.WebappClassLoader.findClass(WebappClassLoa
der.java:1159)
at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoa
der.java:1647)
at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoa
der.java:1526)
at org.apache.catalina.startup.WebAnnotationSet.loadApplicationServletAn
notations(WebAnnotationSet.java:108)
at org.apache.catalina.startup.WebAnnotationSet.loadApplicationAnnotatio
ns(WebAnnotationSet.java:58)
at org.apache.catalina.startup.ContextConfig.applicationAnnotationsConfi
g(ContextConfig.java:297)
at org.apache.catalina.startup.ContextConfig.start(ContextConfig.java:10
78)
at org.apache.catalina.startup.ContextConfig.lifecycleEvent(ContextConfi
g.java:261)
at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(Lifecycl
eSupport.java:142)
at org.apache.catalina.core.StandardContext.start(StandardContext.java:4
612)
at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase
.java:799)
at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:77
9)
at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:601)

at org.apache.catalina.startup.HostConfig.deployWAR(HostConfig.java:943)

at org.apache.catalina.startup.HostConfig.deployWARs(HostConfig.java:778
)
at org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:504
)
at org.apache.catalina.startup.HostConfig.start(HostConfig.java:1317)
at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java
:324)
at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(Lifecycl
eSupport.java:142)
at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1065)

at org.apache.catalina.core.StandardHost.start(StandardHost.java:840)
at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1057)

at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:463
)
at org.apache.catalina.core.StandardService.start(StandardService.java:5
25)
at org.apache.catalina.core.StandardServer.start(StandardServer.java:754
)
at org.apache.catalina.startup.Catalina.start(Catalina.java:595)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:289)
at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:414)
Dec 13, 2012 8:37:06 AM org.apache.catalina.startup.HostConfig deployDirectory
INFO: Deploying web application directory docs
Dec 13, 2012 8:37:06 AM org.apache.catalina.startup.HostConfig deployDirectory
INFO: Deploying web application directory examples
Dec 13, 2012 8:37:06 AM org.apache.catalina.startup.HostConfig deployDirectory
INFO: Deploying web application directory ROOT
Dec 13, 2012 8:37:06 AM org.apache.coyote.http11.Http11AprProtocol start
INFO: Starting Coyote HTTP/1.1 on http-8080
Dec 13, 2012 8:37:06 AM org.apache.coyote.ajp.AjpAprProtocol start
INFO: Starting Coyote AJP/1.3 on ajp-8009
Dec 13, 2012 8:37:06 AM org.apache.catalina.startup.Catalina start
INFO: Server startup in 1050 ms
--------------------
User avatar
neil.walsh
Posts: 444
Joined: 16 Feb 2009, 13:45
Contact:

Unfortunately, we've not encountered that error before. Perhaps it was some form of corruption or Tomcat playing up. I'd suggest a re-download of Essential and install just the viewer again. I'd also recommend a restart of tomcat which has been known to solve unpredictable behaviour in the past.

Let me know if you make any progress. If your still having this problem then let me know and we can try to recreate the issue here to help resolve it.

Thanks

Neil
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