Error on SQL Developer startup

All:
I'm suddenly receiving the following popup when I try to run SQL Developer:
Unable to create an instance of the Java Virtual Machine Located at path:
c:\sun\AppServer\jdk\jre\bin\client\jvm.dll
The only change I've made recently is installing .net and sql server 2003.
Any ideas???
Thanks.
Pat

Hi Everyone,
This might not be exactly related to this thread, but when I try to start JDeveloper 10g, I see the following message:
Unable to create an instance of the Java Virtual Machine Located at path:
..\..\jdk\jre\bin\client\jvm.dll
This started about a month ago.
The solution for me is to "Shutdown ZoneAlarm Security Suite".
It is probably possible to simply change some Program Control parameters in ZoneAlarm, but I have not yet figured out these details. Has anyone else?

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Friends,
I am trying to import entities into into SQL Developer Data Modeler from Oracle Designer 10.1.2.3.
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Oracle SQL Developer Data Modeler Version: 2.0.0 Build: 584
Oracle SQL Developer Data Modeler Import Log
Date and Time: 2010-08-09 14:27:26
Design Name: erdtest
RDBMS: Oracle Database 10g
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          Imported Statements:      32
          Failed Statements:           0
          Not Recognized Statements:      0The Entity is then displayed in the Logical View within SQL Developer Data Modeler.
Upon checking the log file I see the following entry:
2010-08-09 13:50:34,025 [Thread-11] ERROR ODExtractionHandler - Error during import from Designer Repository
java.lang.NullPointerException
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     at oracle.dbtools.crest.imports.oracledesigner.ODExtractionController$Runner.run(Unknown Source)
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Thanks in advance for any help you may be able to provide.

No this helps a lot. It's not strange. Firstly, in a versioned repository you should see Private Workareas and Shared workareas, so your workarea may be in either of these. It won't be in the Global Shared Workarea, as this only for non-versioned repositories. (I like to open the RON by selecting the full Repository, that way I can see the private and shared worlareas and the configuration and containers all in the same tree.
Now your workarea is defined by a set of rules, so when you expand the workarea in the RON, and select the object, then that's the workarea and object you'll see in the import dialog in the Data Modeler. So if you check it out and check it back in, and can't see it in the RON, then the rule is not seeing this object. (Did you refresh the workarea in the RON?) If you can't see it in the RON, you can't see it in the Data Modeler. If you're working in a versioned repository, you need to work in the specific work area, i.e V27 and this is what you need to select in the Data Modeler.
It looks like you are selecting the wrong workarea in the Data Modeler.
Sue

Invalid column index error in sql developer

Hi,
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Hi,
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I have created a view and when clicking on the Data tab, I receive the error message: ORA-01446: cannot select ROWID from, or sample, a view with DISTINCT, GROUP BY, etc.
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No, can you post the DDL to debug?
K.

SQL Developer startup is very slow

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Your "Automatically Check for Updates" option may be turned on. You can look at this setting by going to Tools->Preferences->Extensions. When I unchecked the "Automatically Check for Updates" checkbox my startup times drastically decreased. Hope that helps.

Ora 12505 error in Sql developer

can any one help.... when i was about to create a table in oracle sql developer i got error mesg ora 12505 listener refused the connection... tns doesnt respond

892111 wrote:
can any one help.... when i was about to create a table in oracle sql developer i got error mesg ora 12505 listener refused the connection... tns doesnt respond
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Hi
When Iam trying to debug my procedure in sql developer tool
I getting this below error.
*Connecting to the database Prodcopy Connection.
Executing PL/SQL: ALTER SESSION SET PLSQL_DEBUG=TRUE
Executing PL/SQL: CALL DBMS_DEBUG_JDWP.CONNECT_TCP( '172.16.35.228', '4000' )
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ORA-06512: at "SYS.DBMS_DEBUG_JDWP", line 68
ORA-06512: at line 1
Process exited.
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I given privilage to the following cases .
grant debug connect session to PRODCOPY;
GRANT DEBUG ANY PROCEDURE to prodcopy;
Please help me to resolve this problem.

It probably means that there is a firewall between the database server and your PC. The database needs to be able to communicate with your PC on the address and port number specified. '172.16.35.228', '4000' .
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Hello,
I have installed SQL Developer 3.1.07 version on Linux. Previously I was able to create a connection and browse the existing tables, add tables, etc.
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Thanks,
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Hi uparthas,
Here is a similar thread (Windows 7) marked as answered, and may be applicable to a Linux environment if you are using jdk1.7 rather than jdk1.6:
Lost my connections.
If that does not solve the issue, you might also wish to ...
1. Exit SQL Developer
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3. Launch SQL Developer, perhaps without choosing to migrate settings from a prior install.
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SQL Developer Team

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I am trying to tune the startup time of SQL Developer.
The best hint I found so far is disabling all extensions not needed. (in my case all the migration assistants, and the check for 'looking for updates automatically' reduced the startup time from approx. 60 sec down to 30 sec).
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953600 wrote:
I am new to SQL Developer, having recently downloaded it. Could anyone please let me know what the Username and Password is for any/all the test database is ? Also what databases and tables are available for practicing SQL queries. I am new to Oracle OCA training and am completely lost with the heaps of documentation which never mentions how to access test databases. I would really apreciate any help I can get as I am doing self study and have no mentors, teachers etc. My email is [email protected] and would appreciate anyone replying with this information and any other tips. Thanks in advance.
The passwords are whatever they were set to when the database was created.
SQL Developer is just a client tool. It doesn't come with a database. It expects that you already have a database which it can connect to.
And putting your email address in a posting on a forum is A Very Bad Idea (tm). No on on the forum is going to respond to it, but a million address harvesters will sell it to spam sources. Expect to be flooded with email offers for the following
1) products to enhance the size of certain body parts
2) Nigerians who desperately need to move large sums of money and are willing to pay a total strangers for assistance.
Edited by: EdStevens on Aug 19, 2012 4:44 PM

SQL Developer startup

Hi,
i have monitored that the SQL Developer slows down if you have a lot of connections in your connection tree
(i have 100-200 connections in my tree); if i start an clean installation without any connection it starts within 30sek
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thanks
Werner

Hi Werner,
So if switching between a local / network tnsnames file does not change start-up time much, and the same for paring down the connections.xml file, it seems we have pursued a false lead. Let's return to your comment at the beginning of this thread:
*"if i start an clean installation without any connection it starts within 30sek But with my connection tree it takes ~2-5min to start"*
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As for the log file with "Error while registering Oracle JDBC Diagnosability MBean", I'm not sure. Perhaps it is a side-effect of some configuration corruption rather than the cause of the poor start-up performance.
Hope this helps,
Gary

SQL Developer Startup Connection

I am new to SQL Developer, having recently downloaded it. Could anyone please let me know what the Username and Password is for any/all the test database is ? Also what databases and tables are available for practicing SQL queries. I am new to Oracle OCA training and am completely lost with the heaps of documentation which never mentions how to access test databases. I would really apreciate any help I can get as I am doing self study and have no mentors, teachers etc. My email is [email protected] and would appreciate anyone replying with this information and any other tips. Thanks in advance.

953600 wrote:
I am new to SQL Developer, having recently downloaded it. Could anyone please let me know what the Username and Password is for any/all the test database is ? Also what databases and tables are available for practicing SQL queries. I am new to Oracle OCA training and am completely lost with the heaps of documentation which never mentions how to access test databases. I would really apreciate any help I can get as I am doing self study and have no mentors, teachers etc. My email is [email protected] and would appreciate anyone replying with this information and any other tips. Thanks in advance.
The passwords are whatever they were set to when the database was created.
SQL Developer is just a client tool. It doesn't come with a database. It expects that you already have a database which it can connect to.
And putting your email address in a posting on a forum is A Very Bad Idea (tm). No on on the forum is going to respond to it, but a million address harvesters will sell it to spam sources. Expect to be flooded with email offers for the following
1) products to enhance the size of certain body parts
2) Nigerians who desperately need to move large sums of money and are willing to pay a total strangers for assistance.
Edited by: EdStevens on Aug 19, 2012 4:44 PM

Error with sql developer converter....

I am converting a view to pl/sql from ms SQL.
I have a particular line of code that is causing an error.
MS SQL:
NULLIF(dbo.ItemVarValues.ItemVarValueName, '') IS NOT NULL
PL/SQL:
AND NULLIF(itemvarvalues.itemvarvaluename, ' ' ) IS
NOT NULL;
Getting an error on the above statement.
Does anyone know what the correct syntax is for the second part of the NullIf expression?
TIA

Empty strings already are NULL in Oracle, so just lose the NULLIF.
K.

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Hi
sometimes I get 'Invalid Month error' in SQL developer when I execute the following query
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But when I dosconnect session and reconnect, It works fine
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Thanks

872202 wrote:
Hi
sometimes I get 'Invalid Month error' in SQL developer when I execute the following query
select TRUNC(TO_DATE('01-JUN-2013','DD-MON-YYYY')) from dual;
But when I dosconnect session and reconnect, It works fine
Any suggestions on how to avoid this issue ?
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Error on SQL Developer startup

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