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Bug 186879

Summary:	NullPointerException at org.netbeans.modules.erd.io.DocumentLoad.getChildNode
Product:	contrib	Reporter:	Exceptions Reporter <exceptions_reporter>
Component:	Code	Assignee:	issues@contrib <issues>
Status:	RESOLVED WONTFIX
Severity:	normal	CC:	452, alied, almircampos, aosamai, Billo, bingalls, bobw, cdicarlo, emiddio, esmithbss, facilityderek, fleka, FrantaM, gtg, igvalor, ionuion, javydreamercsw, jbsabmello, kingpoop, michaelnazarov, mkhramov, mklaehn, panason2008, paolosca, rad1x, rgarske, supachai, tkellerer, tmysik, viggonavarsete, ystmio, zdenek.rod
Priority:	P1
Version:	7.2
Hardware:	Other
OS:	Windows 7 x64
Issue Type:	DEFECT	Exception Reporter:	168022
Attachments:	stacktrace stacktrace stacktrace stacktrace stacktrace stacktrace stacktrace stacktrace stacktrace stacktrace stacktrace stacktrace stacktrace stacktrace

Description Exceptions Reporter 2010-05-28 10:07:41 UTC

Build: NetBeans IDE Dev (Build nbms-and-javadoc-5211-on-100521)
VM: Java HotSpot(TM) Client VM, 16.0-b13, Java(TM) SE Runtime Environment, 1.6.0_18-b07
OS: Windows XP

User Comments:
michaelnazarov: Steps to reproduce:

1. Call context menu on connected JavaDB connection.
2. Select "Show ER-Diagram" menu item.

rad1x: Opening ER-Diagram from services panel for localhost mysql DB

GUEST: tried to create an ER diagram from a mysql database




Stacktrace: 
java.lang.NullPointerException
   at org.netbeans.modules.erd.io.DocumentLoad.getChildNode(DocumentLoad.java:179)
   at org.netbeans.modules.erd.io.DocumentLoad.load(DocumentLoad.java:84)
   at org.netbeans.modules.erd.model.DocumentSerializer$1.run(DocumentSerializer.java:78)
   at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:1418)
   at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:1957)

Comment 1 Exceptions Reporter 2010-05-28 10:07:44 UTC

Created attachment 99593 [details]
stacktrace

Comment 2 javydreamercsw 2010-05-29 01:53:41 UTC

Created attachment 99639 [details]
stacktrace

Trying to create UML Diagram

Comment 3 Peter Pis 2010-05-31 08:41:32 UTC

Please evaluate.

Comment 4 javydreamercsw 2010-06-04 11:54:19 UTC

Created attachment 99816 [details]
stacktrace

Show E-R Diagram

Comment 5 Exceptions Reporter 2010-06-08 18:42:36 UTC

This bug already has 10 duplicates 
see http://statistics.netbeans.org/exceptions/detail.do?id=168022

Comment 6 esmithbss 2010-06-25 15:31:47 UTC

Created attachment 100420 [details]
stacktrace

Attempting to show E-R Diagram for an Oracle Database.

Comment 7 Tomas Mysik 2010-12-17 09:38:18 UTC

Created attachment 104199 [details]
stacktrace

show er diagram from postgresql database

Comment 8 Maksim Khramov 2011-06-18 19:53:16 UTC

Created attachment 108976 [details]
stacktrace

Comment 9 Maksim Khramov 2011-07-16 16:06:52 UTC

Created attachment 109467 [details]
stacktrace

Comment 10 paolosca 2011-09-10 08:29:51 UTC

Created attachment 110595 [details]
stacktrace

Right clicked on a postgres database (from the services panel) and selected Show-ER Diagram

Comment 11 alied 2011-10-20 15:05:55 UTC

Created attachment 112270 [details]
stacktrace

-Go to Services/Databases.
-Select "jdbc:mysql://localhost:port/schema"
-right click and select "Show E-R diagram"

Comment 12 Marian Mirilovic 2011-11-23 11:14:11 UTC

101 dups

Comment 13 Sergey Petrov 2011-11-23 11:17:18 UTC

looks like it's not properly assigned, as org.netbeans.modules.erd doesn't look related to uml

Comment 14 javydreamercsw 2012-03-14 12:50:19 UTC

Changing to IDE for evaluation of the correct component to assign.

Comment 15 452 2012-06-11 19:18:14 UTC

-Go to Sources/name.dbschema.
-right click and select "Show E-R diagram"

Comment 16 alied 2012-09-22 21:53:10 UTC

Created attachment 124757 [details]
stacktrace

after creating a new ERD diagram

Comment 17 javydreamercsw 2012-10-05 19:02:13 UTC

Created attachment 125484 [details]
stacktrace

getting ER diagram

Comment 18 alied 2012-10-30 00:30:11 UTC

Created attachment 126758 [details]
stacktrace

-Selected a DB Connection from the Services view
-right-click
-select Show ER-Diagram

Comment 19 Exceptions Reporter 2013-01-24 17:49:50 UTC

This bug already has 150 duplicates 
see http://statistics.netbeans.org/exceptions/detail.do?id=168022

Comment 20 Exceptions Reporter 2013-01-24 17:52:44 UTC

This bug already has 150 duplicates 
see http://statistics.netbeans.org/exceptions/detail.do?id=168022

Comment 21 viggonavarsete 2013-05-24 13:09:54 UTC

Created attachment 134868 [details]
stacktrace

Tried to generate an ER-diagram from a DB2-database

Comment 22 viggonavarsete 2013-05-24 13:12:55 UTC

Created attachment 134869 [details]
stacktrace

Tried to generate an ER-diagram from the derby sample database bundled with Netbeans, same issue as when I tried against a DB2-database, maybe showing that the issue isn't DB-dependent..

Comment 23 aosamai 2013-05-24 13:18:10 UTC

hi guys, where is that context menu to generate ER diagram?

Comment 24 Marian Mirilovic 2013-06-16 20:31:26 UTC

Report against http://code.google.com/p/erd-netbeans-module/

Comment 25 ionuion 2013-12-26 18:26:52 UTC

Reported Issue 1 on the project Issue tracker:
https://code.google.com/p/erd-netbeans-module/issues/detail?id=1

The current bug mentioned in the bug description