"oagpolicystudio/trace/.metadata" Is Read-only" Error While Executing Oracle API Gateway Policy Studio (Doc ID 2177664.1)

Last updated on AUGUST 01, 2023

Applies to:

Symptoms

On an OAG 11.1.2.4.0 installation, when launching Policy Studio, the below error is observed:

-----------------------------------------------
eclipse.buildId=unknown
java.version=1.7.0_75
java.vendor=Oracle Corporation
BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_EN
Command-line arguments: -os linux -ws gtk -arch x86_64 -data ./trace

!MESSAGE An error occurred while automatically activating bundle com.vordel.rcp.policystudio (18).
!STACK 0
org.osgi.framework.BundleException: Exception in com.vordel.client.gui.policystudio.Activator.start() of bundle com.vordel.rcp.policystudio.
  at org.eclipse.osgi.framework.internal.core.BundleContextImpl.startActivator(BundleContextImpl.java:734)
  at org.eclipse.osgi.framework.internal.core.BundleContextImpl.start(BundleContextImpl.java:683)
  at org.eclipse.osgi.framework.internal.core.BundleHost.startWorker(BundleHost.java:381)
  at org.eclipse.osgi.framework.internal.core.AbstractBundle.start(AbstractBundle.java:299)
  at org.eclipse.osgi.framework.util.SecureAction.start(SecureAction.java:440)
  at org.eclipse.osgi.internal.loader.BundleLoader.setLazyTrigger(BundleLoader.java:268)
  at org.eclipse.core.runtime.internal.adaptor.EclipseLazyStarter.postFindLocalClass(EclipseLazyStarter.java:107)
  at org.eclipse.osgi.baseadaptor.loader.ClasspathManager.findLocalClass(ClasspathManager.java:463)
  at org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.findLocalClass(DefaultClassLoader.java:216)
  at org.eclipse.osgi.internal.loader.BundleLoader.findLocalClass(BundleLoader.java:400)
  at org.eclipse.osgi.internal.loader.BundleLoader.findClassInternal(BundleLoader.java:476)
  at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:429)
  at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:417)
  at org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.loadClass(DefaultClassLoader.java:107)
  at java.lang.ClassLoader.loadClass(ClassLoader.java:358)
  at org.eclipse.osgi.internal.loader.BundleLoader.loadClass(BundleLoader.java:345)
  at org.eclipse.osgi.framework.internal.core.BundleHost.loadClass(BundleHost.java:229)
  at org.eclipse.osgi.framework.internal.core.AbstractBundle.loadClass(AbstractBundle.java:1207)
  at org.eclipse.core.internal.registry.osgi.RegistryStrategyOSGI.createExecutableExtension(RegistryStrategyOSGI.java:174)
  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.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:191)
  at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:110)
  at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:79)
  at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:344)
  at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:179)
  at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
  at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
  at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
  at java.lang.reflect.Method.invoke(Method.java:606)
  at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:622)
  at org.eclipse.equinox.launcher.Main.basicRun(Main.java:577)
  at org.eclipse.equinox.launcher.Main.run(Main.java:1410)
  at org.eclipse.equinox.launcher.Main.main(Main.java:1386)
Caused by: java.io.IOException: The folder "/oracle/product/fmw/OAG-11.1.2.4.0/api-client/oagpolicystudio/trace/.metadata" is read-only.
  at org.eclipse.core.runtime.internal.adaptor.BasicLocation.lock(BasicLocation.java:206)
  at org.eclipse.core.runtime.internal.adaptor.BasicLocation.lock(BasicLocation.java:181)
  at com.vordel.client.gui.policystudio.Activator.start(Activator.java:45)
  at org.eclipse.osgi.framework.internal.core.BundleContextImpl$1.run(BundleContextImpl.java:711)
  at java.security.AccessController.doPrivileged(Native Method)
  at org.eclipse.osgi.framework.internal.core.BundleContextImpl.startActivator(BundleContextImpl.java:702)
  ... 34 more
Root exception:
java.io.IOException: The folder "<OAG HOME>/oagpolicystudio/trace/.metadata" is read-only.
  at org.eclipse.core.runtime.internal.adaptor.BasicLocation.lock(BasicLocation.java:206)
  at org.eclipse.core.runtime.internal.adaptor.BasicLocation.lock(BasicLocation.java:181)
  at com.vordel.client.gui.policystudio.Activator.start(Activator.java:45)
  at org.eclipse.osgi.framework.internal.core.BundleContextImpl$1.run(BundleContextImpl.java:711)
  at java.security.AccessController.doPrivileged(Native Method)
  at org.eclipse.osgi.framework.internal.core.BundleContextImpl.startActivator(BundleContextImpl.java:702)
...

The execution of the application is being performed by a standard operating system user.  When executed using the root user, no issue is observed with the launching of Policy Studio.

Cause

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