Jnlpdownloadservlet exception downloading jars of a certain size

Using
Windows XP
Weblogic 10.3.2
Java 1.6.0_17
An exception occurs when downloading jars for the first time with the jnlpdownloadservlet. It occurs for the two largest jars only.
from the JnlpDownloadServlet log -
JnlpDownloadServlet(3): Request: /netintel-client/application/jviewsall.5.0.jar
JnlpDownloadServlet(3): User-Agent: JNLP/6.0 javaws/1.6.0_17 (b04) Java/1.6.0_17
JnlpDownloadServlet(3): Resource returned: /application/jviewsall.5.0.jar
JnlpDownloadServlet(1): Internal error:
java.net.SocketException: Software caused connection abort: socket write error
 at java.net.SocketOutputStream.socketWrite0(Native Method)
 at java.net.SocketOutputStream.socketWrite(SocketOutputStream.java:92)
 at java.net.SocketOutputStream.write(SocketOutputStream.java:136)
 at weblogic.servlet.internal.ChunkOutput.writeChunkNoTransfer(ChunkOutput.java:530)
 at weblogic.servlet.internal.ChunkOutput.writeChunks(ChunkOutput.java:487)
 at weblogic.servlet.internal.ChunkOutput.flush(ChunkOutput.java:382)
 at weblogic.servlet.internal.ChunkOutput$2.checkForFlush(ChunkOutput.java:580)
 at weblogic.servlet.internal.ChunkOutput.write(ChunkOutput.java:306)
 at weblogic.servlet.internal.ChunkOutputWrapper.write(ChunkOutputWrapper.java:150)
 at weblogic.servlet.internal.ServletOutputStreamImpl.write(ServletOutputStreamImpl.java:138)
 at jnlp.sample.servlet.DownloadResponse$FileDownloadResponse.sendRespond(DownloadResponse.java:231)
 at jnlp.sample.servlet.JnlpDownloadServlet.handleRequest(JnlpDownloadServlet.java:178)
 at jnlp.sample.servlet.JnlpDownloadServlet.doGet(JnlpDownloadServlet.java:113)
 at javax.servlet.http.HttpServlet.service(HttpServlet.java:707)
 at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
 at weblogic.servlet.internal.StubSecurityHelper$ServletServiceAction.run(StubSecurityHelper.java:227)
 at weblogic.servlet.internal.StubSecurityHelper.invokeServlet(StubSecurityHelper.java:125)
 at weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:292)
 at weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:175)
 at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.run(WebAppServletContext.java:3594)
 at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:321)
 at weblogic.security.service.SecurityManager.runAs(SecurityManager.java:121)
 at weblogic.servlet.internal.WebAppServletContext.securedExecute(WebAppServletContext.java:2202)
 at weblogic.servlet.internal.WebAppServletContext.execute(WebAppServletContext.java:2108)
 at weblogic.servlet.internal.ServletRequestImpl.run(ServletRequestImpl.java:1432)
 at weblogic.work.ExecuteThread.execute(ExecuteThread.java:201)
 at weblogic.work.ExecuteThread.run(ExecuteThread.java:173)
The weblogic log -
<17-Feb-2010 11:56:43 o'clock GMT> <Error> <HTTP> <BEA-101020> <[ServletContext@27407197[app:network-intell
ient spec-version:null]] Servlet failed with Exception
java.lang.IllegalStateException: Response already committed
at weblogic.servlet.internal.ServletResponseImpl.objectIfCommitted(ServletResponseImpl.java:1591)
at weblogic.servlet.internal.ServletResponseImpl.sendError(ServletResponseImpl.java:614)
at weblogic.servlet.internal.ServletResponseImpl.sendError(ServletResponseImpl.java:592)
at jnlp.sample.servlet.JnlpDownloadServlet.handleRequest(JnlpDownloadServlet.java:191)
at jnlp.sample.servlet.JnlpDownloadServlet.doGet(JnlpDownloadServlet.java:113)
Truncated. see log file for complete stacktrace
JNLP as follows
<?xml version="1.0" encoding="utf-8"?>
<jnlp spec="6.0"
codebase="http://localhost:7001/netintel-client/application"
href="launch.jnlp">
<information>
<title>Oracle Communications Network Intelligence</title>
<vendor>Oracle Corporation.</vendor>
<description>Oracle Communications Network Intelligence</description>
</information>
<security>
<all-permissions/>
</security>
<resources>
<j2se version="1.6" href="http://java.sun.com/products/autodl/j2se" java-vm-args="-Xmx1024m -Xverify:none -Xfuture"/>
<property name="log4j.configuration" value="log4j-modules.properties"/>
<property name="APP_SERVER_URL" value="http://localhost:7001"/>
<property name="user.language" value="en"/>
<property name="user.country" value="ie"/>
<jar href="NetIntelligence_Help_en.jar"/>
<jar href="acegi-security-1.1-SNAPSHOT.jar"/>
<jar href="acegi-security-tiger-1.0.3.jar"/>
<jar href="aspectjweaver-1.5.2.jar"/>
<jar href="spring-aspects.jar"/>
<jar href="spring-modules-validation-0.5.jar"/>
<jar href="spring.jar"/>
<jar href="hibernate3.jar"/>
<jar href="antlr-2.7.6.jar"/>
<jar href="asm-attrs.jar"/>
<jar href="asm.jar"/>
<jar href="cglib-2.1.3.jar"/>
<jar href="ehcache-1.2.3.jar"/>
<jar href="jta.jar"/>
<jar href="dom4j-1.6.1.jar"/>
<jar href="jcalendar-flib-apache.jar"/>
<jar href="jhall.jar"/>
<jar href="joda-time-1.4.jar"/>
<jar href="commons-attributes-api.jar"/>
<jar href="commons-attributes-compiler.jar"/>
<jar href="commons-beanutils.jar"/>
<jar href="commons-codec-1.3.jar"/>
<jar href="commons-collections.jar"/>
<jar href="commons-dbcp.jar"/>
<jar href="commons-digester.jar"/>
<jar href="commons-fileupload.jar"/>
<jar href="commons-httpclient-3.0.1.jar"/>
<jar href="commons-io-1.3.1.jar"/>
<jar href="commons-lang.jar"/>
<jar href="commons-logging-1.1.jar"/>
<jar href="commons-pool.jar"/>
<jar href="commons-validator.jar"/>
<jar href="log4j-1.2.11.jar"/>
<jar href="binding-1.1.1.jar"/>
<jar href="forms-1.0.6.jar"/>
<jar href="looks-2.1.1.jar"/>
<jar href="xstream-1.2.jar"/>
<jar href="netsure_ui.jar"/>
<jar href="netsure_business.jar"/>
<jar href="netsure_domain.jar"/>
<jar href="netsure_common.jar"/>
<jar href="jviewsall.5.0.jar "/>
<jar href="netsure_modules.jar" main="true"/>
</resources>
<application-desc main-class="com.netsure.capman.app.AppMain"/>
</jnlp>
jviewsall.5.0.jar is 3830371 bytes
netsure_modules.jar is 3802341 bytes
None of the other jars raise this exception
The next largest jar is 2846594 bytes
The 2 jars still download ok and there are no apparent problems.
Has anyone encountered anything similiar ?
I am aware of an old thread forum http://forums.sun.com/thread.jspa?forumID=38&threadID=183571 concerning the download of updated files . This was last updated in 2007

Thanks Andrew,
I updated the invalid syntax identified by both these tools - namely adding an association mime-type jnlp and moving the properies to the bottom of the resources. Unfortunately the same exception occurs.
This was not an issue using Java 1.5 with weblogic 9.2
<?xml version="1.0" encoding="utf-8"?>
<jnlp spec="6.0"
codebase="http://localhost:7001/netintel-client/application"
href="launch.jnlp">
<information>
<title>Oracle Communications Network Intelligence</title>
<vendor>Oracle Corporation.</vendor>
<description>Oracle Communications Network Intelligence</description>
<association mime-type="application/x-java-jnlp-file" extensions="jnlp"/>
</information>
<security>
<all-permissions/>
</security>
<resources>
<j2se version="1.6" href="http://java.sun.com/products/autodl/j2se" java-vm-args="-Xmx1024m -Xverify:none -Xfuture"/>
<jar href="NetIntelligence_Help_en.jar"/>
<jar href="acegi-security-1.1-SNAPSHOT.jar"/>
<jar href="acegi-security-tiger-1.0.3.jar"/>
<jar href="aspectjweaver-1.5.2.jar"/>
<jar href="spring-aspects.jar"/>
<jar href="spring-modules-validation-0.5.jar"/>
<jar href="spring.jar"/>
<jar href="hibernate3.jar"/>
<jar href="antlr-2.7.6.jar"/>
<jar href="asm-attrs.jar"/>
<jar href="asm.jar"/>
<jar href="cglib-2.1.3.jar"/>
<jar href="ehcache-1.2.3.jar"/>
<jar href="jta.jar"/>
<jar href="dom4j-1.6.1.jar"/>
<jar href="jcalendar-flib-apache.jar"/>
<jar href="jhall.jar"/>
<jar href="joda-time-1.4.jar"/>
<jar href="commons-attributes-api.jar"/>
<jar href="commons-attributes-compiler.jar"/>
<jar href="commons-beanutils.jar"/>
<jar href="commons-codec-1.3.jar"/>
<jar href="commons-collections.jar"/>
<jar href="commons-dbcp.jar"/>
<jar href="commons-digester.jar"/>
<jar href="commons-fileupload.jar"/>
<jar href="commons-httpclient-3.0.1.jar"/>
<jar href="commons-io-1.3.1.jar"/>
<jar href="commons-lang.jar"/>
<jar href="commons-logging-1.1.jar"/>
<jar href="commons-pool.jar"/>
<jar href="commons-validator.jar"/>
<jar href="jviewsall.5.0.jar"/>
<jar href="log4j-1.2.11.jar"/>
<jar href="binding-1.1.1.jar"/>
<jar href="forms-1.0.6.jar"/>
<jar href="looks-2.1.1.jar"/>
<jar href="xstream-1.2.jar"/>
<jar href="netsure_ui.jar"/>
<jar href="netsure_business.jar"/>
<jar href="netsure_domain.jar"/>
<jar href="netsure_common.jar"/>
<jar href="netsure_modules.jar" main="true"/>
<property name="log4j.configuration" value="log4j-modules.properties"/>
<property name="APP_SERVER_URL" value="http://localhost:7001"/>
<property name="user.language" value="en"/>
<property name="user.country" value="ie"/>
</resources>
<application-desc main-class="com.netsure.capman.app.AppMain"/>
</jnlp>

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 parentContentPane.add(new ResizePanel(SwingConstants.EAST), BorderLayout.EAST);
 parentContentPane.add(new ResizePanel(SwingConstants.SOUTH), BorderLayout.SOUTH);
 parentContentPane.add(aUserContentPane, BorderLayout.CENTER);
 theDialog.setContentPane(parentContentPane);
 theMinimumSize = aMinimumSize;
 public JDialog getDialog() {
 return theDialog;
 private boolean validateDimension(Dimension aDimension) {
 if (aDimension.width < theMinimumSize.width) return false;
 if (aDimension.height < theMinimumSize.height) return false;
 return true;
 private static void test() {
 final JFrame frame = new JFrame(MinimumSizedDialog.class.getName());
 frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
 JButton launchButton = new JButton("showDialog");
 frame.setContentPane(launchButton);
 JPanel panel = new JPanel();
 panel.setPreferredSize(new Dimension(500, 500));
 final JDialog testDialog = new MinimumSizedDialog(frame, panel, new Dimension(300, 300)).getDialog();
 launchButton.addActionListener(new ActionListener() {
 public void actionPerformed(ActionEvent e) {
 testDialog.pack();
 testDialog.setVisible(true);
 SwingUtilities.invokeLater(new Runnable() {
 public void run() {
 frame.pack();
 frame.show();
 public static void main(String[] args) {
 test();
}As you can see, there is still a LOT of room for improvement. I just hope it might help somebody out there.

Download jar only when it is used

Hello,
I have an applet that uses some jar files, is it possible download the jar file only when it is called by the applet?
Thanks,
Pati

If you add an index file in the first jar file on the
applet's class path, the Java Plug-in downloads jar
file only when necessary.
You can find more information at:
http://java.sun.com/j2se/1.5.0/docs/guide/jar/jar.html#JAR%20Index
Regards

Jnlpdownloadservlet exception downloading jars of a certain size

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