loadjava error loading classes

Cindy Lee

I need to insert rows into MySql database from oracle, which I imagine is a
rather common task. The path I decided to take is write a java procedure, as
recommended in the manual. However, java expects a driver to connect to
mysql, so I use the driver that everyone is using,
mysql-connector-java-3.0.11-stable-bin.jar that can be downloaded from
www.mysql.com. There are sources that come with it, but they are rather
complex to build and they use an ant file to produce this jar, so I'm not
sure how to get them all into the oracle so they resolve. It seems like
loadjava tool that allows to import jars is my only option.

I'm trying to run

loadjava -v -user player/player -r
mysql-connector-java-3.0.11-stable-bin.jar

and getting

arguments: '-v' '-user' 'player/player' '-r'
'mysql-connector-java-3.0.11-stable-bin.jar'

creating : resource META-INF/MANIFEST.MF

loading : resource META-INF/MANIFEST.MF

Error while creating resource META-INF/MANIFEST.MF

ORA-29516: Aurora assertion failure: Assertion failure at eox.c:232
Uncaught exception Root of all Java exceptions:
java.lang.NullP ointerException

....

The following operations failed

resource META-INF/MANIFEST.MF: creation

....

class com/mysql/jdbc/Driver: creation

Thus, if fails to load the class com.mysql.jdbc. Driver that I need in order
to insert into Oracle.
This is happening on 9i. On 10g it doesn't resolve the class
java.sql.SavePo int used in the mysql jar. I tried to import rt.jar that
contains it from sun's jdk, but it gave me a bunch of errors like

ORA-06152: errors during recompilation/revalidation of
AUTHOR.sun/io/CharToByteCp125 2

So I need instructions what to do either on 9i or 10g. Any help from anyone
who has connected to mysql from oracle via java would be greatly
appreciated.

Thanks-

Jul 19 '05 #1

Subscribe Reply

11477

Douglas Hawthorne

"Cindy Lee" <da*******@hotm ail.com> wrote in message
news:4a******** *************** *******@news.me ganetnews.com.. .

I need to insert rows into MySql database from oracle, which I imagine is a rather common task. The path I decided to take is write a java procedure, as recommended in the manual. However, java expects a driver to connect to
mysql, so I use the driver that everyone is using,
mysql-connector-java-3.0.11-stable-bin.jar that can be downloaded from
www.mysql.com. There are sources that come with it, but they are rather
complex to build and they use an ant file to produce this jar, so I'm not
sure how to get them all into the oracle so they resolve. It seems like
loadjava tool that allows to import jars is my only option.

I'm trying to run

loadjava -v -user player/player -r
mysql-connector-java-3.0.11-stable-bin.jar

and getting

arguments: '-v' '-user' 'player/player' '-r'
'mysql-connector-java-3.0.11-stable-bin.jar'

creating : resource META-INF/MANIFEST.MF

loading : resource META-INF/MANIFEST.MF

Error while creating resource META-INF/MANIFEST.MF

ORA-29516: Aurora assertion failure: Assertion failure at eox.c:232
Uncaught exception Root of all Java exceptions:
java.lang.NullP ointerException

...

The following operations failed

resource META-INF/MANIFEST.MF: creation

...

class com/mysql/jdbc/Driver: creation

Thus, if fails to load the class com.mysql.jdbc. Driver that I need in order to insert into Oracle.
This is happening on 9i. On 10g it doesn't resolve the class
java.sql.SavePo int used in the mysql jar. I tried to import rt.jar that
contains it from sun's jdk, but it gave me a bunch of errors like

ORA-06152: errors during recompilation/revalidation of
AUTHOR.sun/io/CharToByteCp125 2

So I need instructions what to do either on 9i or 10g. Any help from anyone who has connected to mysql from oracle via java would be greatly
appreciated.

Thanks-

Cindy,

In "Expert One-on-One Oracle" by Thomas Kyte (A-Press:2003), Thomas
recommends, on p.1237, that jar files be unzipped by WinZip and then zipped
by WinZip prior to using the loadjava command. The reason he gives for this
procedure is that the "...jar files are compressed in a format that are not
understood by the database byte code interpreter." (p.1236)

Douglas Hawthorne

Jul 19 '05 #2

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