I'm running a java application that accesses a mysql database and
produced reports in html formats.. anyways, the program compiles and runs
one one machine (Irix), but when I try it on a different machine (Linux)
it will compile, but won't run... instead it produces the following errors:
SIGSEGV 11* segmentation violation
stackbase=0xbffffa78, stackpointer=0xbffff978 Full thread dump:
"Finalizer thread" (TID:0x4076d210, sys_thread_t:0x414b1e0c, state:R)
prio=1
"Async Garbage Collector" (TID:0x4076d258, sys_thread_t:0x41490e0c,
state:R) prio=1
"Idle thread" (TID:0x4076d2a0, sys_thread_t:0x4146fe0c, state:R)
prio=0
"Clock" (TID:0x4076d088, sys_thread_t:0x4144ee0c, state:CW) prio=12
"main" (TID:0x4076d0b0, sys_thread_t:0x8188d78, state:R) prio=5
*current thread*
java.net.PlainSocketImpl.<clinit>(PlainSocketImpl.java:60)
java.net.Socket.<init>(Socket.java:52)
java.net.Socket.<init>(Socket.java:198)
java.net.Socket.<init>(Socket.java:89)
org.gjt.mm.mysql.MysqlIO.<init>(MysqlIO.java:87)
org.gjt.mm.mysql.Connection.<init>(Connection.java:228)
org.gjt.mm.mysql.Driver.connect(Driver.java:126)
java.sql.DriverManager.getConnection(DriverManager.java:83)
java.sql.DriverManager.getConnection(DriverManager.java:126)
worktable.start(worktable.java:63)
worktable.main(worktable.java:36) Monitor Cache Dump:
java.lang.Class@1081544640/1081943312: owner "main" (0x8188d78, 2
entries)
org.gjt.mm.mysql.Driver@1081544648/1081943304: owner "main"
(0x8188d78, 1 entry) Registered Monitor Dump:
Thread queue lock: <unowned>
Name and type hash table lock: <unowned>
String intern lock: <unowned>
JNI pinning lock: <unowned>
JNI global reference lock: <unowned>
BinClass lock: <unowned>
Class loading lock: <unowned>
Java stack lock: <unowned>
Code rewrite lock: <unowned>
Heap lock: <unowned>
Has finalization queue lock: <unowned>
Finalize me queue lock: <unowned>
Dynamic loading lock: <unowned>
Monitor IO lock: <unowned>
Child death monitor: <unowned>
Event monitor: <unowned>
I/O monitor: <unowned>
Alarm monitor: <unowned>
Waiting to be notified:
"Clock" (0x4144ee0c)
Monitor registry: owner "main" (0x8188d78, 1 entry) Thread Alarm Q:
Aborted (core dumped)
Here is the code.....
import org.gjt.mm.mysql.*;
import org.gjt.mm.mysql.Connection;
import org.gjt.mm.mysql.Statement;
import org.gjt.mm.mysql.Driver;
import org.gjt.mm.mysql.ResultSet;
import org.gjt.mm.mysql.ResultSetMetaData;
import java.io.*;
import java.sql.*;
import java.util.*;
import java.awt.*;
import java.awt.event.*;
import java.applet.Applet;
class worktable {
static Connection con;
static ResultSet rs;
//********************************************************************
// main method
//********************************************************************
public static void main(String argv[]) {
start();
}
//*******************************************************************
//******************************************************************
static void start() {
String url = "urlstuff";
try {
PrintStream ostream = new PrintStream(new FileOutputStream("worktable.html"));
try {
Class.forName("org.gjt.mm.mysql.Driver");
}
catch (Exception ex) {
System.out.println("Can't find database driver class: " + ex);
}
try {
con = (Connection)DriverManager.getConnection(url, "james", null);
}
catch (SQLException ex) {
System.out.println("SQL Exception: " + ex);
}
............................ etc.
The error seems to be occuring at con = (Connection)DriverManager.getConnection(url,
"james", null);
Any suggestions.....