From e2d6eee7a641a8d3eeaf085ca3fe8d8a9377192a Mon Sep 17 00:00:00 2001
From: Yana Stamcheva <yana@jitsi.org>
Date: Mon, 16 Apr 2007 15:50:20 +0000
Subject: [PATCH] try to fix NullPointerException thrown while logging with MSN

---
 .../impl/gui/main/chat/ChatConversationPanel.java  | 14 ++++++++------
 1 file changed, 8 insertions(+), 6 deletions(-)

diff --git a/src/net/java/sip/communicator/impl/gui/main/chat/ChatConversationPanel.java b/src/net/java/sip/communicator/impl/gui/main/chat/ChatConversationPanel.java
index 264b8c9cb..225eaa699 100755
--- a/src/net/java/sip/communicator/impl/gui/main/chat/ChatConversationPanel.java
+++ b/src/net/java/sip/communicator/impl/gui/main/chat/ChatConversationPanel.java
@@ -385,13 +385,15 @@ private void ensureDocumentSize()
             Element firstHeaderElement = this.document.getElement("header");
             Element firstMessageElement = this.document.getElement("message");
             try {
-                this.document.remove(firstHeaderElement.getStartOffset(),
-                    firstHeaderElement.getEndOffset()
-                        - firstHeaderElement.getStartOffset());
+                if(firstHeaderElement != null)
+                    this.document.remove(firstHeaderElement.getStartOffset(),
+                            firstHeaderElement.getEndOffset()
+                                - firstHeaderElement.getStartOffset());
                 
-                this.document.remove(firstMessageElement.getStartOffset(),
-                    firstMessageElement.getEndOffset()
-                        - firstMessageElement.getStartOffset());
+                if(firstMessageElement != null)
+                    this.document.remove(firstMessageElement.getStartOffset(),
+                            firstMessageElement.getEndOffset()
+                                - firstMessageElement.getStartOffset());
             }
             catch (BadLocationException e) {
                 LOGGER.error("Error removing messages from chat: ", e);