Connection Exception - Server returned HTTP response code: 500 for URL

[marioneil]

When I try to subscribe to a Lightstreamer adapter, using a java client, I get the following error

com.lightstreamer.ls_client.PushConnException: java.io.IOException: Server returned HTTP response code: 500 for URL: http://localhost:8080/lightstreamer/control.txt

at com.lightstreamer.ls_client.HttpProvider.connectAn dGetAnswer(HttpProvider.java:251)
at com.lightstreamer.ls_client.HttpProvider.doPost(Ht tpProvider.java:219)
at com.lightstreamer.ls_client.BatchManager.getNotBat chedAnswer(BatchManager.java:141)
at com.lightstreamer.ls_client.BatchManager.getAnswer (BatchManager.java:122)
at com.lightstreamer.ls_client.PushServerTranslator.d oControlRequest(PushServerTranslator.java:625)
at com.lightstreamer.ls_client.PushServerTranslator.d oControlRequest(PushServerTranslator.java:615)
at com.lightstreamer.ls_client.PushServerTranslator.c allTableRequest(PushServerTranslator.java:491)
at com.lightstreamer.ls_client.PushServerProxy.reques tSubscr(PushServerProxy.java:302)
at com.lightstreamer.ls_client.ServerManager.subscrTa ble(ServerManager.java:487)
at com.lightstreamer.ls_client.LSClient.subscribeTabl e(LSClient.java:538)


Can someone please tell me what I need to do to resolve this?

The client code is as follows

LSClient client = new LSClient();


new ExtendedTableInfo(subscriptions, "MERGE", config.getString("ls.schema").split(" "), true) {
{
setDataAdapter(config.getString("ls.dataAdapter")) ;
if (config.getBoolean("ls.unfiltered", false)) {
logger.info("RT Unfiltered = true");
requestUnfilteredDispatching();
} else {
logger.info("RT Unfiltered = false");
}
}
}, new HandyTableListener() {
@Override
public void onUpdate(int itemPos, String itemName, UpdateInfo update) {
logger.info(String.format("RT onUpdate, itemPos:%d itemName:%s snapshot:%s", itemPos,
itemName, update.isSnapshot()));
}


.......
.............

[marioneil]

Found the reason for the exception.
There was a runtime Exception in my Metadata Adapter.