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Everybody, I have an error that just appeared in the eclipse Hello, does anyone know what it might be, some plugin to update? The persistence.xml file does not open and an error appears in the title
Plug-in org.eclipse.jpt.jpa.ui was unable to load class org.eclipse.jpt.jpa.ui.internal.editors.JpaXmlEditor.
org.eclipse.core.runtime.CoreException: Plug-in org.eclipse.jpt.jpa.ui was unable to load
class org.eclipse.jpt.jpa.ui.internal.editors.JpaXmlEditor.
at org.eclipse.core.internal.registry.osgi.RegistryStrategyOSGI.throwException(RegistryStrategyOSGI.java:194)
org.eclipse.core.internal.registry.osgi.RegistryStrategyOSGI.createExecutableExtension(RegistryStrategyOSGI.java:176)
at org.eclipse.core.internal.registry.ExtensionRegistry.createExecutableExtension(ExtensionRegistry.java:905)
at org.eclipse.core.internal.registry.ConfigurationElement.createExecutableExtension(ConfigurationElement.java:243)
at org.eclipse.core.internal.registry.ConfigurationElementHandle.createExecutableExtension(ConfigurationElementHandle.java:55)
at org.eclipse.ui.internal.WorkbenchPlugin$1.run(WorkbenchPlugin.java:294)
Caused by: java.lang.ClassNotFoundException: An error occurred while automatically activating bundle org.eclipse.jpt.jpa.ui (414).
at org.eclipse.osgi.internal.hooks.EclipseLazyStarter.postFindLocalClass(EclipseLazyStarter.java:116)
at org.eclipse.osgi.internal.loader.classpath.ClasspathManager.findLocalClass(ClasspathManager.java:531)
Caused by: org.osgi.framework.BundleException: Exception in org.eclipse.jpt.jpa.ui.internal.plugin.JptJpaUiPlugin.start() of bundle org.eclipse.jpt.jpa.ui.
at org.eclipse.osgi.internal.framework.BundleContextImpl.startActivator(BundleContextImpl.java:792)
at org.eclipse.osgi.internal.framework.BundleContextImpl.start(BundleContextImpl.java:721)
at org.eclipse.osgi.internal.framework.EquinoxBundle.startWorker0(EquinoxBundle.java:936)
Caused by: java.lang.NullPointerException
at org.eclipse.jpt.jpa.core.internal.InternalJpaProjectManager.clearJpaProjects_(InternalJpaProjectManager.java:356)
at org.eclipse.jpt.jpa.core.internal.InternalJpaProjectManager.clearJpaProjects(InternalJpaProjectManager.java:345)
at org.eclipse.osgi.internal.framework.BundleContextImpl.startActivator(BundleContextImpl.java:764)
... 150 more
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– Bruno César