java.io.FileNotFoundException: /oracle/<domain path>/servers/AdminServer/cache/diagnostics/Instrumen

 Hi,

While starting my weblogic server using weblogicStartup.sh i am getting following error:

java.io.FileNotFoundException: /oracle/<domain path>/servers/AdminServer/cache/diagnostics/InstrumentationEngineConfig.ser (Read-only file system)

        at java.io.FileOutputStream.open(Native Method)

        at java.io.FileOutputStream.<init>(FileOutputStream.java:194)

        at java.io.FileOutputStream.<init>(FileOutputStream.java:145)

        at weblogic.diagnostics.instrumentation.engine.InstrumentationEngineConfiguration.saveEngineConfiguration(InstrumentationEngineConfiguration.java:281)

        at weblogic.diagnostics.instrumentation.engine.InstrumentationEngineConfiguration.getInstrumentationEngineConfiguration(InstrumentationEngineConfiguration.java:229)

        at weblogic.diagnostics.instrumentation.engine.InstrumentationEngineConfiguration.getInstrumentationEngineConfiguration(InstrumentationEngineConfiguration.java:204)

        at weblogic.diagnostics.instrumentation.InstrumentationLibrary.loadInstrumentationEngineConfiguration(InstrumentationLibrary.java:186)

        at weblogic.diagnostics.instrumentation.InstrumentationLibrary.getInstrumentationLibrary(InstrumentationLibrary.java:127)

        at weblogic.diagnostics.instrumentation.InstrumentationManager.getAvailableMonitors(InstrumentationManager.java:315)