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via MuleSoft JIRA by Jim Andrews, 10 months ago
This exception has no message.
org.eclipse.core.internal.resources.ResourceException: Resource '/XmlProxyValidationFilter' does not exist.	at org.eclipse.core.internal.resources.Resource.checkExists(Resource.java:334)	at org.eclipse.core.internal.resources.Resource.checkAccessible(Resource.java:208)	at org.eclipse.core.internal.resources.Project.checkAccessible(Project.java:140)	at org.eclipse.core.internal.resources.Project.hasNature(Project.java:521)	at org.mule.tooling.core.deployer.MuleApplicationDeployment.copyArtifacts(MuleApplicationDeployment.java:621)	at org.mule.tooling.core.deployer.MuleApplicationDeployment.copyReferencedProjectsArtifactsRecursively(MuleApplicationDeployment.java:615)	at org.mule.tooling.core.deployer.MuleApplicationDeployment.copyReferencedProjectsArtifacts(MuleApplicationDeployment.java:608)	at org.mule.tooling.core.packageManager.MuleApplicationExportDelegate.export(MuleApplicationExportDelegate.java:41)	at org.mule.tooling.core.packageManager.ExportPackageManager.doExport(ExportPackageManager.java:93)	at org.mule.tooling.core.packageManager.ExportPackageManager.export(ExportPackageManager.java:85)	at org.mule.tooling.runtime.launch.DefaultDeploymentStrategy.packageZipFile(DefaultDeploymentStrategy.java:55)	at org.mule.tooling.runtime.launch.DefaultDeploymentStrategy.deployToEmbeddedInstance(DefaultDeploymentStrategy.java:26)	at org.mule.tooling.runtime.launch.MuleRuntimeLaunchDelegate.deployProjects(MuleRuntimeLaunchDelegate.java:486)	at org.mule.tooling.runtime.launch.MuleRuntimeLaunchDelegate.performLegacyDeployment(MuleRuntimeLaunchDelegate.java:344)	at org.mule.tooling.runtime.launch.MuleRuntimeLaunchDelegate.launch(MuleRuntimeLaunchDelegate.java:238)	at org.eclipse.debug.internal.core.LaunchConfiguration.launch(LaunchConfiguration.java:885)	at org.eclipse.debug.internal.core.LaunchConfiguration.launch(LaunchConfiguration.java:739)	at org.eclipse.debug.internal.ui.DebugUIPlugin.buildAndLaunch(DebugUIPlugin.java:1039)	at org.eclipse.debug.internal.ui.DebugUIPlugin$8.run(DebugUIPlugin.java:1256)	at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55)