AS JAVA install failed! Help!

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Hi, everybody, I'm installing AS JAVA on Windows Server 2003 English version OS, I'm using j2re1.4.2_12 and have the JAVA_HOME variant, but SAP install failed in 'start java engine' step with 'java status is unavailable' in MMC. below is the dev_jcontrol error informatino: ***************************************************************************************************************** -

trc file: "
hy\saploc\IDS\JC10\work\dev_jcontrol", trc level: 1, release: "700" -

node name : jcontrol pid : 3592 system name : IDS system nr. : 10 started at : Tue Jun 16 21:16:13 2009 arguments : arg[00] :
hy\saploc\IDS\JC10\exe\jcontrol.EXE arg[01] : pf=
hy\sapmnt\IDS\SYS\profile\IDS_JC10_hy [Thr 3212] Tue Jun 16 21:16:13 2009 [Thr 3212] *** WARNING => INFO: Unknown property [instance.en.host=hy] [jstartxx.c 841] [Thr 3212] *** WARNING => INFO: Unknown property [instance.box.number=IDSJC10hy] [jstartxx.c 841] [Thr 3212] *** WARNING => INFO: Unknown property [instance.en.port=3201] [jstartxx.c 841] [Thr 3212] *** WARNING => INFO: Unknown property [instance.system.id=10] [jstartxx.c 841] ********************************************************************** JStartupReadInstanceProperties: read instance properties [
hy\saploc\IDS\JC10\j2ee\cluster\instance.properties;
hy\saploc\IDS\JC10\SDM\program\config\sdm_jstartup.properties] -> ms host : hy -> ms port : 3901 -> OS libs : D:\usr\sap\IDS\JC10\j2ee\os_libs -> Admin URL : -> run mode : NORMAL -> run action : NONE -> enabled : yes ********************************************************************** ********************************************************************** Used property files -> files [00] :
hy\saploc\IDS\JC10\j2ee\cluster\instance.properties -> files [01] :
hy\saploc\IDS\JC10\SDM\program\config\sdm_jstartup.properties ********************************************************************** ********************************************************************** Instance properties -> ms host : hy -> ms port : 3901 -> os libs : D:\usr\sap\IDS\JC10\j2ee\os_libs -> admin URL : -> run mode : NORMAL -> run action : NONE -> enabled : yes ********************************************************************** ********************************************************************** Bootstrap nodes -> [00] bootstrap :
hy\saploc\IDS\JC10\j2ee\cluster\instance.properties ********************************************************************** ********************************************************************** Worker nodes -> [00] sdm :
hy\saploc\IDS\JC10\SDM\program\config\sdm_jstartup.properties ********************************************************************** [Thr 3212] [Node: bootstrap] java home is set by profile parameter Java Home: D:\Java [Thr 3212] Tue Jun 16 21:16:14 2009 [Thr 3212] *** ERROR => JStartupIGetJDKInfo: Cannot find Java class file [./JdkDetection_3592.class]. [jstartxxi.c 994] [Thr 3212] *** ERROR => can't get JDK information (rc = -1) [jstartxxi.c 1240] [Thr 3212] ********************************************************************** *** ERROR => JDK Detection failed. *** Please see SAP Note 943602 , section 'JDK detection issues' *** for additional information and trouble shooting. ********************************************************************** [Thr 3212] *** ERROR => can't read bootstrap node properites (rc=-1) [jcntrxx.c 1282] [Thr 3212] JControlCloseProgram: started (exitcode = -1) [Thr 3212] JControlCloseProgram: good bye... (exitcode = -1) *****************************************************************************************************************