jsf 2 - JSF 2 OpenJPA 2 Glassfish 3.1 WEB9031 Error -

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i got error according apache support issue relating glassfish rather openjpa:

java.lang.illegalstateexception: web9031: webappclassloader unable load resource [org.apache.openjpa.util.longid], because has not yet been started, or stopped

the stacktrace is:

caused by: java.lang.illegalstateexception: web9031: webappclassloader unable load resource [org.apache.openjpa.util.longid], because has not yet been started, or stopped     @ org.glassfish.web.loader.webappclassloader.loadclass(webappclassloader.java:1410)     @ org.glassfish.web.loader.webappclassloader.loadclass(webappclassloader.java:1368)     @ com.ckd.model.bookmodel.pcnewobjectidinstance(bookmodel.java)     @ org.apache.openjpa.enhance.pcregistry.newobjectid(pcregistry.java:138)     @ org.apache.openjpa.meta.metadatarepository.processregisteredclass(metadatarepository.java:1693)     @ org.apache.openjpa.meta.metadatarepository.processregisteredclasses(metadatarepository.java:1643)     ... 112 more

has come across before , how resolve it? have been stuck on issue last several days.

another of post related issue can found here: jsf 2: h:link , getrowdata.

the above error relates problem openjpa enhancer. when execute sun's jdk openjpa's dynamic enhancer starts default. action, in turn, stuffs glassfish's classloader class - hence, web9031 error.

for experience same issue, simple workaround enhancement @ build time - did in ant org.apache.openjpa.ant.pcenhancertask - , add property persistence.xml shut off dynamic enhancer: <property name="openjpa.dynamicenhancementagent" value="false"/>.

also, wouldn't hurt throw in persistence.xml <property name="openjpa.runtimeunenhancedclasses" value="unsupported" />.


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