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Incorrect Timezone in Java

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Operating Systems Linux Red Hat Incorrect Timezone in Java
# 1  
Old 04-08-2014
Incorrect Timezone in Java
Dear All,

I have two Red hat Linux servers where the DST has picked the right time.
unfortunately the Java Time in one Server is coming incorrect

Correct info
[root@hq]# java GetCurrentTimeZoneUsingCalendar
Current TimeZone is : Eastern European Time

Incorrect Info
[root@hq]# java GetCurrentTimeZoneUsingCalendar
Current TimeZone is : GMT+02:00

With a little bit of googling i could find below information for windiows :-

If you have disabled the DynamicDaylightTimeDisabled option, then Java always returns a GMT (Greenwich mean time) offset and not a time zone ID that is compatible with the uniform naming convention (such as Europe/Berlin). For example, the offset will be expressed as GMT+01 and not Europe/Berlin.

I have already verified the ZoneInfoMappings,/etc/localtime and system-config-date to show the right time and timezone.

Unfortunately i dont see a procedure to correct the timezone/time in Java.


Best Regards
Pistachio
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LEARN ABOUT DEBIAN

dacs.java

DACS.JAVA(7)						  DACS Miscellaneous Information					      DACS.JAVA(7)

NAME

       dacs.java - DACS Java support

DESCRIPTION

       This document describes support for Java provided by DACS.

       To enable Java support, DACS must be configured using the --enable-java flag. It may also be necessary to specify the location of the Java
       commands and include files. See dacs.install(7)[1].

	   Note
	   Java support is currently very limited and should be considered experimental. It is currently only possible to call dacsauth(1)[2] and
	   dacscheck(1)[3] using the Java Native Interface (JNI) provided. The command line arguments to both of these commands are exactly as
	   documented in their manual pages. Each argument is passed as a String.

	   The code is not thread-safe and is probably not suitable for being called many times within a particular process due to assumptions it
	   makes about dynamic memory allocation.

	   There are no immediate plans to improve or extend Java support. Using the existing capability to build the JNI layer, however, it
	   should not be difficult for an experienced Java programmer to build upon the example Java code provided.

       With Java support enabled, building DACS will copy the JNI shared library and a .jar file to the library directory (default:
       /usr/local/dacs/lib), and the JNI include files to the include directory (default: /usr/local/dacs/include).

       The tools/java/jni distribution directory contains a simple script called javarun that demonstrates how to run dacsauth or dacscheck as a
       Java application. For example, to validate the Unix password for user somebody, run (as root):

	   ./javarun dacsauth -m unix suff -user somebody -prompt

DIAGNOSTICS

       The return codes are as documented in the command's manual page.

AUTHOR

       Distributed Systems Software (www.dss.ca[4])

COPYING

       Copyright2003-2012 Distributed Systems Software. See the LICENSE[5] file that accompanies the distribution for licensing information.

NOTES

	1. dacs.install(7)
	   http://dacs.dss.ca/man/dacs.install.7.html

	2. dacsauth(1)
	   http://dacs.dss.ca/man/dacsauth.1.html

	3. dacscheck(1)
	   http://dacs.dss.ca/man/dacscheck.1.html

	4. www.dss.ca
	   http://www.dss.ca

	5. LICENSE
	   http://dacs.dss.ca/man/../misc/LICENSE

DACS 1.4.27b							    10/22/2012							      DACS.JAVA(7)