HELP on SAP netweaver 2004s SR1 on Oracle 10.2 with RHEL v5

Question

i got an error again doing the installation frm SAPINST
root@PDS06 IM_LINUX_I386# sh ./startInstGui.sh
Java Runtime found in PATH environment variable
Path: java
Start mode: gui (GUI only)
Connection parameters:
GUIServer host: localhost
GUIServer port: 21212
Starting...
Warning: unable to create SAP monospaced font; use standard monspaced font instead
java.lang.reflect.InvocationTargetException
at java.lang.reflect.Method.invoke(libgcj.so.7rh)
at com.sap.sdt.util.misc.MethodCall.invoke(MethodCall.java:82)
at com.sap.sdt.util.misc.BootStrapper.start(BootStrapper.java:107)
at SDTGui.main(SDTGui.java:46)
Caused by: java.lang.NoClassDefFoundError: sun.applet.AppletClassLoader
at com.sap.plaf.frog.FrogLookAndFeel.<clinit>(FrogLookAndFeel.java:101)
at java.lang.Class.initializeClass(libgcj.so.7rh)
at java.lang.Class.forName(libgcj.so.7rh)
at java.lang.Class.forName(libgcj.so.7rh)
at com.sap.sdt.gui.core.settings.GuiSettings.setLookAndFeel(GuiSettings.java:354)
at com.sap.sdt.gui.core.settings.GuiSettings.<init>(GuiSettings.java:100)
at com.sap.sdt.gui.core.settings.GuiSettings.<clinit>(GuiSettings.java:86)
at java.lang.Class.initializeClass(libgcj.so.7rh)
at com.sap.sdt.gui.core.SDTGui.initStdOutErr(SDTGui.java:244)
at com.sap.sdt.gui.core.SDTGui.start(SDTGui.java:149)
at com.sap.sdt.gui.core.SDTGui.main(SDTGui.java:87)
at java.lang.reflect.Method.invoke(libgcj.so.7rh)
...3 more
java.lang.NoClassDefFoundError: sun.applet.AppletClassLoader
at com.sap.plaf.frog.FrogLookAndFeel.<clinit>(FrogLookAndFeel.java:101)
at java.lang.Class.initializeClass(libgcj.so.7rh)
at java.lang.Class.forName(libgcj.so.7rh)
at java.lang.Class.forName(libgcj.so.7rh)
at com.sap.sdt.gui.core.settings.GuiSettings.setLookAndFeel(GuiSettings.java:354)
at com.sap.sdt.gui.core.settings.GuiSettings.<init>(GuiSettings.java:100)
at com.sap.sdt.gui.core.settings.GuiSettings.<clinit>(GuiSettings.java:86)
at java.lang.Class.initializeClass(libgcj.so.7rh)
at com.sap.sdt.gui.core.SDTGui.initStdOutErr(SDTGui.java:244)
at com.sap.sdt.gui.core.SDTGui.start(SDTGui.java:149)
at com.sap.sdt.gui.core.SDTGui.main(SDTGui.java:87)
at java.lang.reflect.Method.invoke(libgcj.so.7rh)
at com.sap.sdt.util.misc.MethodCall.invoke(MethodCall.java:82)
at com.sap.sdt.util.misc.BootStrapper.start(BootStrapper.java:107)
at SDTGui.main(SDTGui.java:46)
error in:
Class : com.sap.sdt.gui.core.SDTGui
Name : main
Static : true
class [Ljava.lang.String; - [Ljava.lang.String;@15dac8
java.lang.RuntimeException: invocation target exception: sun.applet.AppletClassLoader
at com.sap.sdt.util.misc.MethodCall.invoke(MethodCall.java:110)
at com.sap.sdt.util.misc.BootStrapper.start(BootStrapper.java:107)
at SDTGui.main(SDTGui.java:46)
root@PDS06 IM_LINUX_I386#
root@PDS06 IM_LINUX_I386# ./sapinst
============================== - extracting... done!
Starting GuiServer using:
/usr/bin/java -cp /tmp/sapinst_exe.23493.1205708864/JAR/instgui.jar:/tmp/sapinst_exe.23493.1205708864/JAR/inqmyxml.jar -Djava.security.egd=file:/dev/urandom SDTServer config=jar:sdtserver.xml guiport=21212 sapinsthost=localhost sapinstport=21200 guistart=true
guiengine: call to bind() for socket 21200 3 failed . Address already in use
103 guiengine.connection.failed 21200, 881
root@PDS06 IM_LINUX_I386#
i belive there is a serious problem with JAVA

Answer 1

soorry theere is to edit in the previous thread
when i tried to run ./sapinst... an error got reflected again......i have finished with SAp and database requisites.. but have not installed the database as yet....... still the error is reflected  AND my java version is
java version "1.7.0"
IcedTea Runtime Environment (build 1.7.0-b24)
IcedTea Server VM (build 1.7.0-b24, mixed mode)
[root@PDS06 IM_LINUX_I386]# ps -ef | grep sapinst
root      4315  4279  0 21:55 pts/1    00:00:00 grep sapinst
[root@PDS06 IM_LINUX_I386]# kill root
bash: kill: root: arguments must be process or job IDs
[root@PDS06 IM_LINUX_I386]# kill 4315
bash: kill: (4315) - No such process
[root@PDS06 IM_LINUX_I386]# kill 4279
[root@PDS06 IM_LINUX_I386]# ./sapinst
[==============================] - extracting...  done!
Starting GuiServer using:
/usr/bin/java -cp /tmp/sapinst_exe.4352.1205857648/JAR/instgui.jar:/tmp/sapinst_exe.4352.1205857648/JAR/inqmyxml.jar -Djava.security.egd=file:/dev/urandom SDTServer config=jar:sdtserver.xml guiport=21212 sapinsthost=localhost sapinstport=21200 guistart=true
load resource pool /root/dumpz/java_components/IM_LINUX_I386/resourcepool.xml
guiengine: no GUI connected; waiting for a connection on host PDS06, port 21200 to continue with the installation
Should i free the port nos? how do i?