[ https://issues.jboss.org/browse/JBIDE-18974?page=com.atlassian.jira.plugi... ] Denis Golovin commented on JBIDE-18974: --------------------------------------- I also have this exception in log, but not sure if it is related to the issue {code}java.lang.IllegalArgumentException: can not connect() without a document at org.eclipse.wst.sse.core.internal.FileBufferModelManager.connect(FileBufferModelManager.java:506) at org.eclipse.wst.sse.core.internal.model.ModelManagerImpl._incrCount(ModelManagerImpl.java:666) at org.eclipse.wst.sse.core.internal.model.ModelManagerImpl.getExistingModelForRead(ModelManagerImpl.java:1312) at org.eclipse.wst.sse.core.internal.model.ModelManagerImpl.getExistingModelForRead(ModelManagerImpl.java:1274) at org.jboss.tools.vpe.preview.core.transform.VpvController.getResource(VpvController.java:59) at org.jboss.tools.vpe.preview.core.server.VpvSocketProcessor.processRequest(VpvSocketProcessor.java:83) at org.jboss.tools.vpe.preview.core.server.VpvSocketProcessor.run(VpvSocketProcessor.java:68) at java.lang.Thread.run(Thread.java:745){code} -- This message was sent by Atlassian JIRA (v6.3.11#6341)