Hi,
I have a MySQL server running on a machine, say A, and I want to access the
DB from another machine B.
Now A has blocked port 3306. So I fwded port 3306 on B to 3306 on A using
SSH.
This works just fine. I can access Mysql fom local machine's port 3306 and
no problems there.
Problem is it works only when I specify host as localhost and would,'t work
if I put B's IP or even 127.0.0.1.
I can run java programs that use JDBC to connect to MySQL using localhost.
But I have some applications in java that can not get through. Following is
the error produced.
Java.lang.ExceptionInInitializerError
at com.mysql.jdbc.Connection.<init>(Connection.java:1174)
at
com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:264)
at
uk.ac.man.bioinf.maxdLoad2.maxdConnection.attemptConnect(maxdConnection.java:3048)
at
uk.ac.man.bioinf.maxdLoad2.Controller$24.construct(Controller.java:6306)
at
uk.ac.man.bioinf.maxdLoad2.SwingWorker$2.run(SwingWorker.java:109)
at java.lang.Thread.run(Thread.java:534)
Caused by: java.lang.RuntimeException: Unable to initialize character set
mapping tables
at com.mysql.jdbc.CharsetMapping.<clinit>(CharsetMapping.java:73)
... 6 more
Note that JDBC driver works just fine and here also it loads successfully.
Now, I am not sure if this is MySQL or network or java question. So I am
giving it a shot anyway.
Any ideas are really appreciated.
Thank you,
Kaustubh
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