java.lang.ClassNotFoundException: javax.xml.parsers.SAXParserFactory
   at org.eclipse.osgi.internal.loader.BundleLoader.findClassInternal(BundleLoader.java:501)
   at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:421)
   at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:412)
   at org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.loadClass(DefaultClassLoader.java:107)
   at org.netbeans.modules.netbinox.NetbinoxLoader.loadClass(NetbinoxLoader.java:81)
   at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
   at java.lang.Class.forName0(Class.java:0)
   at java.lang.Class.forName(Class.java:340)
Caused: java.lang.TypeNotPresentException: Type javax.xml.parsers.SAXParserFactory not present
   at sun.reflect.generics.factory.CoreReflectionFactory.makeNamedType(CoreReflectionFactory.java:117)
   at sun.reflect.generics.visitor.Reifier.visitClassTypeSignature(Reifier.java:125)
   at sun.reflect.generics.tree.ClassTypeSignature.accept(ClassTypeSignature.java:49)
   at sun.reflect.generics.visitor.Reifier.reifyTypeArguments(Reifier.java:68)
   at sun.reflect.generics.visitor.Reifier.visitClassTypeSignature(Reifier.java:138)
   at sun.reflect.generics.tree.ClassTypeSignature.accept(ClassTypeSignature.java:49)
   at sun.reflect.generics.repository.ConstructorRepository.getParameterTypes(ConstructorRepository.java:94)
   at java.lang.reflect.Executable.getGenericParameterTypes(Executable.java:279)
   at java.lang.reflect.Constructor.getGenericParameterTypes(Constructor.java:219)
   at com.sun.jersey.core.spi.component.ComponentConstructor.getConstructor(ComponentConstructor.java:225)
   at com.sun.jersey.core.spi.component.ComponentConstructor._getInstance(ComponentConstructor.java:179)
   at com.sun.jersey.core.spi.component.ComponentConstructor.getInstance(ComponentConstructor.java:169)
   at com.sun.jersey.core.spi.component.ProviderFactory.__getComponentProvider(ProviderFactory.java:166)
   at com.sun.jersey.core.spi.component.ProviderFactory.getComponentProvider(ProviderFactory.java:137)
   at com.sun.jersey.core.spi.component.ProviderServices.getComponent(ProviderServices.java:256)
   at com.sun.jersey.core.spi.component.ProviderServices.getServices(ProviderServices.java:160)
   at com.sun.jersey.core.spi.factory.MessageBodyFactory.initWriters(MessageBodyFactory.java:207)
   at com.sun.jersey.core.spi.factory.MessageBodyFactory.init(MessageBodyFactory.java:163)
   at com.sun.jersey.api.client.Client.init(Client.java:329)
   at com.sun.jersey.api.client.Client.access$000(Client.java:118)
   at com.sun.jersey.api.client.Client$1.f(Client.java:191)
   at com.sun.jersey.api.client.Client$1.f(Client.java:187)
   at com.sun.jersey.spi.inject.Errors.processWithErrors(Errors.java:193)
   at com.sun.jersey.api.client.Client.<init>(Client.java:187)
   at com.sun.jersey.client.apache.ApacheHttpClient.<init>(ApacheHttpClient.java:137)
   at com.sun.jersey.client.apache.ApacheHttpClient.<init>(ApacheHttpClient.java:106)
   at com.atlassian.jira.rest.client.internal.jersey.JerseyJiraRestClient$1.<init>(JerseyJiraRestClient.java:153)
   at com.atlassian.jira.rest.client.internal.jersey.JerseyJiraRestClient.createDefaultClient(JerseyJiraRestClient.java:153)
   at com.atlassian.jira.rest.client.internal.jersey.JerseyJiraRestClient.<init>(JerseyJiraRestClient.java:69)
   at com.atlassian.jira.rest.client.internal.jersey.JerseyJiraRestClientFactory.create(JerseyJiraRestClientFactory.java:39)
   at com.atlassian.connector.eclipse.internal.jira.core.service.rest.JiraRestClientAdapter.<init>(JiraRestClientAdapter.java:159)
   at com.atlassian.connector.eclipse.internal.jira.core.service.JiraClient.createRestClient(JiraClient.java:179)
   at com.atlassian.connector.eclipse.internal.jira.core.service.JiraClient.purgeSession(JiraClient.java:843)
   at com.atlassian.connector.eclipse.internal.jira.core.JiraClientFactory.repositoryChanged(JiraClientFactory.java:135)
   at org.eclipse.mylyn.internal.tasks.core.TaskRepositoryManager$5.run(TaskRepositoryManager.java:467)
   at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
   at org.eclipse.mylyn.internal.tasks.core.TaskRepositoryManager.notifyRepositorySettingsChanged(TaskRepositoryManager.java:459)
   at org.eclipse.mylyn.internal.tasks.core.TaskRepositoryManager$1.propertyChange(TaskRepositoryManager.java:77)
   at org.eclipse.mylyn.tasks.core.TaskRepository.notifyChangeListeners(TaskRepository.java:887)
   at org.eclipse.mylyn.tasks.core.TaskRepository.setProperty(TaskRepository.java:880)
   at org.eclipse.mylyn.tasks.core.TaskRepository.setCredentials(TaskRepository.java:806)
   at org.netbeans.modules.mylyn.util.MylynUtils.setCredentials(MylynUtils.java:126)
   at org.netbeans.modules.jira.repository.JiraRepository.setupProperties(JiraRepository.java:501)
   at org.netbeans.modules.jira.repository.JiraRepository.setupTaskRepository(JiraRepository.java:486)
   at org.netbeans.modules.jira.repository.JiraRepository.<init>(JiraRepository.java:160)
   at org.netbeans.modules.jira.JiraConnector.createRepository(JiraConnector.java:88)
   at org.netbeans.modules.bugtracking.DelegatingConnector.createRepository(DelegatingConnector.java:131)
   at org.netbeans.modules.bugtracking.RepositoryRegistry.getStoredRepositories(RepositoryRegistry.java:277)
   at org.netbeans.modules.bugtracking.RepositoryRegistry.getRepositories(RepositoryRegistry.java:163)
   at org.netbeans.modules.bugtracking.api.RepositoryManager.getRepositories(RepositoryManager.java:143)
   at org.netbeans.modules.bugzilla.repository.NBRepositorySupport.getNBRepository(NBRepositorySupport.java:115)
   at org.netbeans.modules.bugzilla.api.NBBugzillaUtils.openIssue(NBBugzillaUtils.java:68)
   at org.netbeans.modules.bugzilla.exceptionreporter.NBBugzillaAccessorImpl$1.run(NBBugzillaAccessorImpl.java:63)
   at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:1423)
   at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:2033)