Spark 2.0.5 LINUX Disconect SEVERE ERROR

It connect but after 3 to 5 seconds disconect…

This is the error.log

09/11/2006 13:25:54 org.jivesoftware.spark.util.log.Log error

SEVERE: Connection closed on error.

09/11/2006 13:25:54 org.jivesoftware.spark.util.log.Log error

SEVERE:

java.lang.NullPointerException

at org.jivesoftware.sparkimpl.plugin.gateways.GatewayPlugin.populateTransports(Gat ewayPlugin.java:125)

at org.jivesoftware.sparkimpl.plugin.gateways.GatewayPlugin.access$000(GatewayPlug in.java:60)

at org.jivesoftware.sparkimpl.plugin.gateways.GatewayPlugin$1.construct(GatewayPlu gin.java:74)

at org.jivesoftware.spark.util.SwingWorker$2.run(SwingWorker.java:132)

at java.lang.Thread.run(Unknown Source)

09/11/2006 13:26:04 org.jivesoftware.spark.util.log.Log error

SEVERE:

No response from the server.:

at org.jivesoftware.smackx.PrivateDataManager.getPrivateData(PrivateDataManager.ja va:209)

at org.jivesoftware.sparkimpl.plugin.bookmarks.BookmarkPlugin$1.construct(Bookmark Plugin.java:53)

at org.jivesoftware.spark.util.SwingWorker$2.run(SwingWorker.java:132)

at java.lang.Thread.run(Unknown Source)