Java Embedded ARM Linux edition

I tried "Java Embedded ARM Linux edition" on "Familiar GPE 2.7".
Magically for the 1st time, I was I able to compile a java source using GPE linux on my iPAQ h2200.
Then I manually copy a few more libraries to test up in the device, "tools.jar" and "hsqldb.jar".
I tried to compile and run a simple "JOptionPane.showMessageDialog()" UI object.
I'm able to compile but failed to run it with errors below:
"java.awt.HeadlessException ... <unknown source> ..."
"... <unknown source>"Was Java Embedded meant to support swing object, or awt?
Since this is an evaluation distribution (which will expired after 90 days), how do I get a full distribution?
Thanks for any help.
By Avatar Ng

Yes I'm refering to "Embedded SE for Linux ARM evaluation binary", and I'm testing it on GPE Linux on my iPAQ h2200 device.
I got following when I typed "java -version"
I able to run and compile java in console mode, just that I didn't get my gui working ...
The last finding I have is to run with phoneme arm distribution, crossing my fingers ... wish me luck.
I should update the testing results ib my blog below should it be a fail or success.
Thanks for any help!
by Avatar Ng
http://avatar21.superihost.com/

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Last edited by snakewind (2013-06-08 08:04:06)

We don't support archlinux-arm here, try archlinuxarm.org.

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[http://java.sun.com/javase/embedded/system_requirements.jsp|http://java.sun.com/javase/embedded/system_requirements.jsp]
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[http://sites.google.com/site/javartsandjavaseforembedded/|http://sites.google.com/site/javartsandjavaseforembedded/]

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</bpelx:exec>Edited by: user1175491 on Nov 2, 2010 5:07 PM
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Ok, I am going crazy. I have a java embedding node that takes a date string in, changes it to a different format and creates another date that contains the current time. if I run this in java to code run ok and there are no issues. At the end of the java I print out the string and they are exactly what I want. The thing that is going on is when I set the 2 string BPEL variables in the java embedding, when I try to reference them the 2nd time,I get a weird node object error. I get through the first pass ok. when I try to reference Test1 or Test2 on the 2nd pass I get the error below. Its like when I set the variable currentDB2UpdateDate and currentDB2CurrTimeDate it does something to them. Instead of setting it to just the string it seems to set it to some kind of object.
I have 3 steps here. Assign -> Java Embedding -> Assign.
Assign 1 => Initialize 2 String variables to X.
<code>
<assign name="Assign_2">
<copy>
<from expression="string('X')"/>
<to variable="currentDB2UpdateDate"/>
</copy>
<copy>
<from expression="string('X')"/>
<to variable="currentDB2CurrTimeDate"/>
</copy>
</assign>
</code>
Java Embedding =>
<code>
String currentFileDate = (String)getVariableData("currentFileDate");
String currentDate = "";
try
SimpleDateFormat sdfSource = new SimpleDateFormat("MM/dd/yyyy");
Date date = sdfSource.parse(currentFileDate);
SimpleDateFormat sdfDestination = new SimpleDateFormat("yyyy-MM-dd hh:mm:ss");
currentFileDate = sdfDestination.format(date);
catch(ParseException pe)
System.out.println("Parse Exception : " + pe);
try
Calendar cal = Calendar.getInstance();
SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd hh:mm:ss");
currentDate = sdf.format(cal.getTime());
catch(Exception pe)
System.out.println("Parse Exception : " + pe);
System.out.println("currentFileDate : " + currentFileDate.toString());
System.out.println("currentDate : " + currentDate.toString());
setVariableData("currentDB2UpdateDate",currentFileDate);
setVariableData("currentDB2CurrTimeDate",currentDate);
</code>
Assign 3 =>
<code>
<assign name="Assign_1">
<copy>
<from variable="currentDB2UpdateDate"/>
<to variable="Test1"/>
</copy>
<copy>
<from variable="currentDB2CurrTimeDate"/>
<to variable="Test2"/>
</copy>
</assign>
</code>
<code>
<bpelFault><faultType>0</faultType><selectionFailure xmlns="http://schemas.xmlsoap.org/ws/2003/03/business-process/"><part name="summary"><summary>Invalid to part type.
When performing the assign operation, the to node 2010-07-17 12:00:00 is invalid.
The node named in the error message was either null or an empty node set, and it was not an instance of org.w3c.Element.
Verify the node value at line number 819 is not null and is an instance of org.w3c.Element.
</summary></part></selectionFailure></bpelFault>
</code>
The 2nd pass to this throws the following error when trying to set Test1 and Test2 again... Its like it is setting the variable to an object and not just the string. I tried using toString() in the setVariable too and it didn't work. I don't get it.
Edited by: 806312 on Dec 1, 2010 8:13 AM
Edited by: 806312 on Dec 1, 2010 8:26 AM

I am also facing a similar issue.There is selection failure in assignment to local variable of BPEL .
PFB the logs :
parts: {{
summary=&lt;summary&gt;Invalid to part type.
When performing the assign operation, the to node false is invalid.
The node named in the error message was either null or an empty node set, and it was not an instance of org.w3c.Element.
Verify the node value at line number 3577 is not null and is an instance of org.w3c.Element.
&lt;/summary&gt;}
Here is the code:
<copy>
<from expression="xpath20:add-dayTimeDuration-to-dateTime($calculatednpexectime,'P200YT')"/>
<to variable="calculatednpexectime"/>
</copy>
It seems as if Oracle is not accepting the date format .
Is there some issue with local variables of new version of BPEL ??

Issue with Java Embedding task in BPEL

Newbe: i have java embedded task in my bpel process which returns one variable(Written java code in editor as it is only 2 lines of code). when i tried to deploy this i am getting the following compiler error in Jdeveloper
Error(36,39): Failed to compile bpel generated classes.
failure to compile the generated BPEL classes for BPEL process "BPELSampleProcess" of composite "default/BpelSampleProj!1.4"
The class path setting is incorrect.
Ensure that the class path is set correctly. If this happens on the server side, verify that the custom classes or jars which this BPEL process is depending on are deployed correctly. Also verify that the run time is using the same release/version.
please suggest me what are the jars needed and where to be placed.

Try this
Random randomGenerator = new Random();
int randomInt = randomGenerator.nextInt(100);
setVariableData("outputVariable","payload","/client:BPEL_Process/client:result",randomInt);
Delete this line public class ChSam
Edited by: KrishnaChaitanya on Nov 25, 2010 9:30 PM

Cannot use Java Embedding in Jdeveloper 11.4

Hi,
I am using Jdeveloper 11.1.1.4.0 . I am using a Java Embedding Activity in my BPEL and when i compile the project, the error which is coming is SCAC 50012. The same is working in 11.1.1.3.0 Jdeveloper Version.
The code i am using in Java Embedding activity is
Logger logger = Logger.getLogger("oracle.soa.Logger");
LogFormatter.configFormatter(logger);
String var1 = ((oracle.xml.parser.v2.XMLElement) getVariableData("inputVariable","payload","/client:process/client:input")).getFirstChild().getNodeValue();
logger.info("Message from Logging level:Info"+var1 );
Please help me with this...
Thanks,
N
Edited by: Naresh on Jul 13, 2011 10:47 AM

I got the Java Embedding Activity working...,I used the following imports in my BPEL....
<bpelx:exec import="java.util.logging.Logger"/>
<bpelx:exec import="java.util.logging.Level"/>
<bpelx:exec import="oracle.fabric.logging.LogFormatter"/>
<bpelx:exec import="org.w3c.dom.*"/>
<bpelx:exec import="oracle.xml.parser.v2.XMLElement"/>
<bpelx:exec import="java.util.*"/>
<bpelx:exec import="java.lang.*"/>
<bpelx:exec import="java.math.*"/>
<bpelx:exec import="java.io.*"/>
<bpelx:exec import="oracle.soa.common.util.Base64Decoder"/>
Hope this helps anyone who have been struggling like me before...
Thanks,
N

Java Editor in Linux

hi all,
can someone suggest a good Java Editor for Linux? I'm currently using the BlueFish Editor and i press the DOT nothing is come out, i hope that to get an editor where the members can come out after the dot is presses. By doing this, it will minimise a lot of typing error. I had try to install the JCreator on my system, but the setup cannot run on Linux.

u mean just copy the installation to the
/usr/local??
Because i dun have the root permission and the
installation file has been downloaded at the desktopIf you don't have root permissions (and can't get them) then you probably will not be able to copy the JDK to /usr/local . You don't need the JDK to be anywhere in particular so if it is installed in your home directory then leave it there. Just make sure your 'path' is set correctly!
To check you have it configured right, use
java -version
and it should report
java version "1.5.0_06"
Java(TM) 2 Runtime Environment, Standard Edition (build 1.5.0_06-b05)
Java HotSpot(TM) Client VM (build 1.5.0_06-b05, mixed mode, sharing)

Error in linking by using arm-linux-g++

Hi
I use arm-linux-g++ to link my program, and get the following error message:
"/usr/local/BerkeleyDB.4.5b/bdb-4.5.so: could not read symbols: ?????"
The question marks is post by system, I don't know what it is on earth.
But it was no problem using gcc/g++ to compile and link the program for PC version. I generated the MAKEFILE by qmake.
And the configuration in it showed below:
INCPATH = -I/qt/qt-embedded-arm-3.3.6/mkspecs/qws nux-arm-g++ -I. -I. -I../..
/include -I.moc/release-shared-mt-emb-arm/ -I /usr/local/BerkeleyDB.4.5/include
LIBS = $(SUBLIBS) -L/qt/qt-embedded-arm-3.3.6 b -lqte-mt -ldl -lpthread -L/usr/local/BerkeleyDB.4.5 b -ldb-4.5 -g
My arm-linux-gcc/ arm-linux-g++ version is 2.95.3, my system is Red Hat Enterprise 4.2. And I am using C++.
I think that it should be the problem linking configuration, but I do not know how to make it correct.

I found the answer!!
1.Modify the configure file of Berkeley DB
#tar zxfv db-4.x.tgz
#cd db-4.x/build_unix
#vi /dist/configure
Insert the following lines to configure file
CC=/opt/host/armv4l/bin/armv4l-unknown-linux-gcc
AR=/opt/host/armv4l/bin/armv4l-unknown-linux-ar
RANLIB=/opt/host/armv4l/bin/armv4l-unknown-linux-ranlib
STRIP=/opt/host/armv4l/bin/armv4l-unknown-linux-strip
#../dist/configure prefix=/opt/db host=arm41-unknown-linux
(Then, lib and include directories will be installed into /opt/db)
OR
#env CC=/opt/host/armv4l/bin/armv4l-unknown-linux-gcc \
AR=/opt/host/armv4l/bin/armv4l-unknown-linux-ar \
RANLIB=/opt/host/armv4l/bin/armv4l-unknown-linux-ranlib \
STRIP=/opt/host/armv4l/bin/armv4l-unknown-linux-strip \
../dist/configure prefix=/opt/db host=arm41-unknown-linux
2.Install with this configuration
#make
#make install
#vi /etc/ld.so.conf
3.Append the lib path of BDB into this file, now the path is /opt/db/lib
#ldconfig
4.Compile and link my program again, everything is OK!!! :)

Java Embedded ARM Linux edition

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