10:50 a.m.
[
https://jira.jboss.org/browse/TEIID-1324?page=com.atlassian.jira.plugin.s...
]
Ted Jones commented on TEIID-1324:
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Just to clarify, this is not an EAP or SOA-P issue, this is an RHQ/JON issue. When the
Teiid plugin runs in the admin console we pick up the required jars whether we are running
in EAP/SOA-P or JBossAS 5.1 since we get all the standard jars from the lib of the
server. When running in JON, we are depending on the classloader from our parent plugin
(JBossAS 5) since it is running in a different JBossAS instance. This plugin loads jars
specifically from the JBossAS instance that JON is monitoring (the one Teiid is running
in) and it is not loading the jboss-reflect.jar. The RHQ team will add this jar but it
won't be part of the current release (JON 2.4). For us to work in this version and
older versions of JON we need to add the jar to our instance classloader.
Deploy JOPR Plugin on JON/RHQ
-----------------------------
Key: TEIID-1324
URL: https://jira.jboss.org/browse/TEIID-1324
Project: Teiid
Issue Type: Bug
Components: Jopr Plugin
Affects Versions: 7.1
Environment: Jboss EAP 5.1, JON 2.4, jon-plugin-pack-eap-2.4.0.GA
Reporter: Cristiano Nicolai
Assignee: Ted Jones
Fix For: 7.1.1
When deploying Teiid JOPR plugin on JON, when the agent try to run the plugin there are
some missing classes.
Caused by: java.lang.NoClassDefFoundError: org/jboss/reflect/spi/TypeInfo
at java.lang.Class.getDeclaredConstructors0(Native Method)
at java.lang.Class.privateGetDeclaredConstructors(Class.java:2389)
at java.lang.Class.getConstructor0(Class.java:2699)
at java.lang.Class.newInstance0(Class.java:326)
at java.lang.Class.newInstance(Class.java:308)
at
org.jboss.metatype.plugins.values.MetaValueFactoryBuilder$1.run(MetaValueFactoryBuilder.java:71)
at
org.jboss.metatype.plugins.values.MetaValueFactoryBuilder$1.run(MetaValueFactoryBuilder.java:46)
at java.security.AccessController.doPrivileged(Native Method)
at
org.jboss.metatype.plugins.values.MetaValueFactoryBuilder.<clinit>(MetaValueFactoryBuilder.java:45)
at
org.jboss.metatype.api.values.MetaValueFactory.<clinit>(MetaValueFactory.java:41)
at org.teiid.rhq.admin.DQPManagementView.<clinit>(DQPManagementView.java:68)
at org.teiid.rhq.plugin.VDBComponent.getAvailability(VDBComponent.java:139)
at sun.reflect.GeneratedMethodAccessor50.invoke(Unknown Source)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at
org.rhq.core.pc.inventory.ResourceContainer$ComponentInvocationThread.call(ResourceContainer.java:525)
... 5 more
Basically the missing jar is jboss-metatype.jar.
I tried some classloader configuration including the missing jar in
teiid-console-7.2.0.Beta1.jar/lib, but as it has dependent classes (jboss-managed.jar)
that are loaded in jboss-as-5 RHQ plugin I couldn't find any solution without changing
the jboss-as-5 code. Probably some sync with RHQ guys is needed because jboss-managed.jar
depends on jboss-metatype.jar.
My workaround for this was a code change in ApplicationServerDiscoveryComponent to
include the required jar from the AS installation.
private static final List<String> CLIENT_JARS = Arrays.asList(
// NOTE: The jbossall-client.jar aggregates a whole bunch of other jars from the
client dir via its
// MANIFEST.MF Class-Path.
"client/jbossall-client.jar",
"client/trove.jar",
"client/javassist.jar",
"common/lib/jboss-security-aspects.jar",
"lib/jboss-managed.jar",
"lib/jboss-metatype.jar",
"lib/jboss-reflect.jar",
"lib/jboss-dependency.jar"
);
Fixing this class dependency the plugin start to require some Teiid client classes and to
solve this I just copy the teiid-7.2.0.Beta1-client.jar to
teiid-console-7.2.0.Beta1.jar/lib and redeploy the plugin.
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