Appendix B. Known Issues
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## Appendix B. Known Issues

This section describes two known issues that you might run into, along with corresponding workarounds.

For the full list of known issues, see the Eclipse Issue Tracker for the Virgo Runtime Environment. The issues are organised by component as well as by release. You can also use the Issue Tracker application to enter a new issue if you cannot find an existing issue that describes the problem you are running into.

## B.1 Timeout During Startup Due to Firewall Settings

The VWS will fail to start correctly if it is prevented from connecting to needed ports by the firewall. Typically this manifests as error `SPPM0003E` . Configuring the firewall to allow the VWS process to bind to the necessary ports will prevent this error from occurring.

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Appendix A. Event log codes | Home | B.2 OutOfMemoryError: PermGen space running on Sun VM