Exception (bundle) "org.datanucleus" is already registered in the thread "main" plugin, make sure you have a classpath in the
There are not many jar versions of the same plugin. URL "file: / home / Jhkiyaria /. M2 / Ripojitri / org / Ditanuclus / Ditanuclus core / 1.1.6 / Ditanuclus core -lklk6kjr" has already been registered, and to register the same plugin the efforts are based on the URL "file: /home/zakaria/springsource/sts-2.3.3.M2/plugins/com.google.appengine.eclipse.sdkbundle.1.3.5_1.3.5.v201007021040/appengine-java- sdk-1.3.5 /lib/user/orm/datanucleus-core-1.1.5.jar. "Org.datanucleus.exceptions.NucleusException: plugin (bundled)" org.datanucleus "is already registered. Make sure that you do not have many jar versions of the same plugin in the classpath. URL "file: / home / Jhkiyaria /. M2 / Ripojitri / org / Ditanuclus / Ditanuclus core / 1.1.6 / Ditanuclus core -lklk6kjr" has already been registered, and to register the same plugin the efforts are based on the URL "file: /home/zakaria/springsource/sts-2.3.3.M2/plugins/com.google.appengine.eclipse.sdkbundle.1.3.5_1.3.5.v201007021040/appengine-java- sdk-1.3.5 /lib/user/orm/datanucleus-core-1.1.5.jar. "org.datanucleus.plugin.NonManagedPluginRegistry.registerBundle (NonManagedPluginRegistry.java:434) org on org.datanucleus.plugin.NonManagedPluginRegistry.registerExtensions .datanucleus.plugin.NonManagedPluginRegistry.registerBundle (NonManagedPluginRegistry.java:340) At org.datanucleus.OMFContext at (at NonManagedPluginRegistry.java.22222) at org.datanucleus.plugin.NonManagedPluginRegistry.registerExtensionPoints (NonManagedPluginRegistry.java:153) at org.datanucleus.plugin.PluginManager.registerExtensionPoints (PluginManager.java:82) (OMFContext.java:160) at Org.datanucleus.enhancer.DataNucleusEnhancer. (DataNucleusEnhancer.java:172) at org.datanucleus.enhancer.DataNucleusEnhancer. (DataNucleusEnhancer.java:150) at org.datanucleus.enhancer.DataNucleusEnhancer.main (DataNucleusEnhancer.java:1157)
Can you help me? I tried to re-enter the following command in the Roo Shell built-in, but there is no way:
firmness setup --provider DATANUCLEUS - Database HYPERSONIC_IN_MEMORY Thanks ,
Regards.
As the message says, you have two "Datanucleus-core" CLASSPATH jars, so your clasps Check