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Old 03-10-2003, 06:32 PM   #1
Zerodark
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java installation problem...


alright, i've tried countless times to install java. i am trying to install the sdk, someone told me to install that one so i tried, whether i install the rpm or the tar.gz it still doesn't work. how do i install it correctly?
 
Old 03-10-2003, 07:31 PM   #2
Crashed_Again
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What doesn't work about it? There are many ways to use the java sdk. Does the java compiler not work? Does the java plugin not work?

More info please. Don't be afraid to tell us more then we need to know.
 
Old 03-10-2003, 07:33 PM   #3
Infinite_Pizza
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r u install as a user ?
have u set the path ? and make the path available with chmod ?
 
Old 03-11-2003, 02:52 AM   #4
Haploness
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If you are talking about the plugin: I have RH 7.2 and installed j2re-1_4_1_01-fcs-linux-i586.rpm.
Then the only thing I had to do was to make a link:
ln -s /usr/java/j2re1.4.1_01/plugin/i386/ns610/libjavaplugin_oji.so /usr/lib/mozilla/plugins/libjavaplugin_oji.so
then launch mozilla and go.
If you are using another browser you will probably need to make the link addressing some other place.
Good luck
 
Old 03-11-2003, 05:31 PM   #5
Zerodark
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i can't get the compiler to work,..it keeps giving saying that the java compiler isn't found and i don't know what the problem could be.
 
Old 03-12-2003, 12:50 AM   #6
sienarot
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But the install worked??

If that's the case, it might just be something as simple as not setting the path to the java executable files.

Do either "whereis javac" or "locate javac" and it should return where the file is. Go to that directory and just write a simple "Hello World" program to make sure it works. If it works in that directory, either set the path to that directory, or create a symlink to /usr/bin (what I usually do), or something.

ln -s <location of javac> /usr/bin/javac

Samething with "java"
 
Old 03-12-2003, 02:23 AM   #7
Zerodark
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i tried to do that, and i get this.



Warning: -Xmx100331648 not understood. Ignoring.
Warning: -Xms16777216 not understood. Ignoring.
Exception in thread "main" java.lang.InternalError: Unexpected exception while defining class ZeroGq: java.lang.ClassNotFoundException: javax.swing.JDialog
at 0x4028115f: java.lang.Throwable.Throwable(java.lang.String) (/usr/lib/libgcj.so.3)
at 0x4027408e: java.lang.Error.Error(java.lang.String) (/usr/lib/libgcj.so.3)
at 0x40281542: java.lang.VirtualMachineError.VirtualMachineError(java.lang.String) (/usr/lib/libgcj.so.3)
at 0x40275a92: java.lang.InternalError.InternalError(java.lang.String) (/usr/lib/libgcj.so.3)
at 0x40272ff2: java.lang.ClassLoader.defineClass(java.lang.String, byte[], int, int, java.security.ProtectionDomain) (/usr/lib/libgcj.so.3)
at 0x40272dbb: java.lang.ClassLoader.defineClass(java.lang.String, byte[], int, int) (/usr/lib/libgcj.so.3)
at 0x4030b29b: java.net.URLClassLoader.findClass(java.lang.String) (/usr/lib/libgcj.so.3)
at 0x402606d7: gnu.gcj.runtime.VMClassLoader.findClass(java.lang.String) (/usr/lib/libgcj.so.3)
at 0x40272cac: java.lang.ClassLoader.loadClass(java.lang.String, boolean) (/usr/lib/libgcj.so.3)
at 0x40260dcc: _Jv_FindClass(_Jv_Utf8Const, java.lang.ClassLoader) (/usr/lib/libgcj.so.3)
at 0x4025d1fd: java.lang.Class.forName(java.lang.String, boolean, java.lang.ClassLoader) (/usr/lib/libgcj.so.3)
at 0x40253809: _Jv_BytecodeVerifier.verify_instructions_0() (/usr/lib/libgcj.so.3)
at 0x40249697: _Jv_VerifyMethod(_Jv_InterpMethod) (/usr/lib/libgcj.so.3)
at 0x40241a24: _Jv_PrepareClass(java.lang.Class) (/usr/lib/libgcj.so.3)
at 0x40260568: java.lang.ClassLoader.linkClass0(java.lang.Class) (/usr/lib/libgcj.so.3)
at 0x40273073: java.lang.ClassLoader.resolveClass0(java.lang.Class) (/usr/lib/libgcj.so.3)
at 0x4025e99c: java.lang.Class.initializeClass() (/usr/lib/libgcj.so.3)
at 0x4025d224: java.lang.Class.forName(java.lang.String, boolean, java.lang.ClassLoader) (/usr/lib/libgcj.so.3)
at 0x4025d2bf: java.lang.Class.forName(java.lang.String) (/usr/lib/libgcj.so.3)
at 0x402c60a0: gnu.gcj.runtime.FirstThread.run() (/usr/lib/libgcj.so.3)
at 0x40267fdc: _Jv_ThreadRun(java.lang.Thread) (/usr/lib/libgcj.so.3)
at 0x4023478c: _Jv_RunMain(java.lang.Class, byte const, int, byte const, boolean) (/usr/lib/libgcj.so.3)
at 0x08048900: __gcj_personality_v0 (java.compiler=NONE)
at 0x420158d4: __libc_start_main (java.compiler=NONE)
at 0x080486c1: _Jv_RegisterClasses (java.compiler=NONE)
 
Old 03-12-2003, 03:51 AM   #8
j-ray
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log in as user and type
echo $PATH
there should be printed sth like
/bin:/sbin:/usr/java/sdk/bin: or similar

so if there's no entry for your javac-directory u have to make it available to the bash with an entry to
/home/username/.bashrc
like
export PATH = /path/to/urjavasdk/bin/:$PATH

then
'source ~/.bashrc'

try
echo $CLASSPATH
post if this returns sth

always execute javac and java as user

cheers, jens
 
  


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