Sun JDK is not compatible with the ibm jdk Memorandum

If Sun JDK is incompatible with ibm jdk at work, let's take a note.

1. String. getbytes (string encoding)

Testcase: public static void main (string [] ARGs ){
Try {
Randomaccessfile F = new randomaccessfile ("test.txt", "RW ");
F. Write ("TETS". getbytes (null ));
F. Close ();
} Catch (ioexception e ){
E. printstacktrace ();
}
} Sun JDK 1.4: OK

Ibm jdk 1.4:

Exception in thread "Main" Java. Lang. nullpointerexception
At java. Lang. stringcoding $ encodercache. makeencoder (stringcoding. Java: 198)
At java. Lang. stringcoding $ 2.run( stringcoding. Java: 251)
At java. Security. accesscontroller. doprivileged1 (native method)
At java. Security. accesscontroller. doprivileged (accesscontroller. Java: 351)
At java. Lang. stringcoding $ encodercache. getencoder (stringcoding. Java: 248)
At java. Lang. stringcoding. getencoder (stringcoding. Java: 331)
At java. Lang. stringcoding. encode (stringcoding. Java: 472)
At java. Lang. String. getbytes (string. Java: 947)
At nullencoding. Main (nullencoding. Java: 12)

2. Japanese Encoding

Test Case: public static void main (string [] ARGs ){
Try { "".Getbytes (" Shift_jis");
"".Getbytes (" Shift-JIS");
} Catch (exception e ){
E. printstacktrace ();
}
}

Sun JDK 1.4: OK

Ibm jdk 1.4:

Java. Io. unsupportedencodingexception:Shift-JIS
At java. Lang. stringcoding $ encodercache. getencoder (stringcoding. Java: 262)
At java. Lang. stringcoding. getencoder (stringcoding. Java: 331)
At java. Lang. stringcoding. encode (stringcoding. Java: 472)
At java. Lang. String. getbytes (string. Java: 947)
At shiftencoding. Main (shiftencoding. Java: 17)

 

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