Searched on Google with the first line of a JAVA stack trace?

We can recommend more relevant solutions and speed up debugging when you paste your entire stack trace with the exception message. Try a sample exception.

Recommended solutions based on your search

Samebug tips

  1. ,

    You are not deploying the oracle driver with the application. Place the driver jars in a shared or library extension folder of your application server. (You should go with option one or two though

  2. ,
    Expert tip

    This might be an issue with the file location in the Spark submit command. Try it with

    spark-submit --master spark://master:7077 \
         hello_world_from_pyspark.py {file location}
    
    

Solutions on the web

via jboss.org by Unknown author, 1 year ago
Could not dereference object [Root exception is java.lang.RuntimeException: Can not find interface declared by Proxy in our CL + sun.misc.Launcher$AppClassLoader@1a16869]
via liferay.com by Unknown author, 2 years ago
Could not dereference object [Root exception is java.lang.reflect.UndeclaredThrowableException]
via liferay.com by Unknown author, 2 years ago
Could not dereference object [Root exception is java.lang.reflect.UndeclaredThrowableException]
via eclipse.org by Unknown author, 1 year ago
Could not dereference object [Root exception is java.lang.RuntimeException: Exception while trying to locate proxy factory in JNDI, at key ProxyFactory/eclipselink-advanced-field-access-model/TestRunner/TestRunner]
via Coderanch by Watsh Rajneesh, 1 year ago
Could not dereference object [Root exception is java.lang.reflect.UndeclaredThrowab leException]
via coderanch.com by Unknown author, 2 years ago
Could not dereference object [Root exception is java.lang.reflect.UndeclaredThrowableException]
java.lang.ClassNotFoundException: org.test.ejb.ITest	at java.net.URLClassLoader$1.run(URLClassLoader.java:202)	at java.security.AccessController.doPrivileged(Native Method)	at java.net.URLClassLoader.findClass(URLClassLoader.java:190)	at java.lang.ClassLoader.loadClass(ClassLoader.java:307)	at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301)	at java.lang.ClassLoader.loadClass(ClassLoader.java:248)	at java.lang.Class.forName0(Native Method)	at java.lang.Class.forName(Class.java:247)	at org.jboss.ejb3.proxy.impl.objectfactory.ProxyObjectFactory.redefineProxyInTcl(ProxyObjectFactory.java:406)	at org.jboss.ejb3.proxy.impl.objectfactory.session.SessionProxyObjectFactory.createProxy(SessionProxyObjectFactory.java:134)	at org.jboss.ejb3.proxy.impl.objectfactory.session.stateless.StatelessSessionProxyObjectFactory.getProxy(StatelessSessionProxyObjectFactory.java:92)	at org.jboss.ejb3.proxy.impl.objectfactory.ProxyObjectFactory.getObjectInstance(ProxyObjectFactory.java:161)	at javax.naming.spi.NamingManager.getObjectInstance(NamingManager.java:304)	at org.jnp.interfaces.NamingContext.getObjectInstance(NamingContext.java:1483)	at org.jnp.interfaces.NamingContext.getObjectInstanceWrapFailure(NamingContext.java:1500)	at org.jnp.interfaces.NamingContext.lookup(NamingContext.java:824)	at org.jnp.interfaces.NamingContext.lookup(NamingContext.java:688)	at javax.naming.InitialContext.lookup(InitialContext.java:392)	at org.test.jboss.client.Client.main(Client.java:22)