Mondrian - Troubleshooting

NOTE: new features and further improvements are no longer released for the Mondrian data source.
Instead of Mondrian, our team highly recommends considering Flexmonster Data Server. Just like Mondrian, this tool aggregates data on the server side and can handle large datasets.
You can see the full list of available data sources here: Supported data sources.

Error: Your current version of Flexmonster Pivot Table & Charts is not compatible with Flexmonster Accelerator. Please update the component to the minimum required version: X.XXX

This error means that the versions of Flexmonster Accelerator and Flexmonster Pivot are not compatible. To fix this error it is recommended to update both products to the latest available version. Contact our team for more details.

Error: Your current version of Flexmonster Accelerator is not compatible with Flexmonster Pivot Table & Charts. Please update the Accelerator to the minimum required version: X.XXX

Error: java.lang.OutOfMemoryError: GC overhead limit exceeded

Try starting the Accelerator with the following: java -Xmx1024m -jar flexmonster-proxy-mondrian.jar where -Xmx<size> is the maximum Java heap size.

Error: java.net.UnknownHostException: <hostname>: <hostname>: Name or service not known

Some enterprise environments do not allocate DNS names to their devices – this results in an UnknownHostException, often after a lengthy DNS lookup attempt. Here are a couple of possible actions:

The first suggestion is to ignore the message. The application is working fine and the message is only seen in the logs. Try opening your browser and navigating to http://127.0.0.1:50006/ or http://localhost:50006/. There should be a message “Flexmonster Accelerator for Pentaho Mondrian”.
You can try adding the following record to the hosts file: 127.0.0.1 <hostname>.