How do I flush sun.swing.CachedPainter?

In my applet, I populate a very large JTextArea. It gets opened in a JTabbedPane. When the user closes the tab, I remove the JTextArea.
BUT... After removing it, I get a huge lingering object in memory called sun.swing.CachedPainter.
Here is pic of lingering object taken in YourKit:
<img src="http://www.printdesktop.com/Oracle/CachedPainter.gif">
After about 10 minutes, the memory gets cleared; forcing garbage collection myself does not clear the memory. Somehow the cache is flushed without programmer intervention. I would like to forcefully flush the cache if possible.
Edited by: ForceRs on Feb 6, 2013 4:18 PM - Trying to get image to show inline...

No out-of-memory from it. It just looks odd to close all tabs in the our application and still be using over 67 MB of storage -- even after the user clicks the manual GC button I show on the Java Memory Widget. Our customer support gets calls about this, and then I have to look into it. And what I found the cause to be is this lingering storage issue.
As a developer, I am not worried about it. I thought if I could get it cleaned up, I wouldn't have to re-investigate this at a later date. I tried a lot of things to "tickle" the CachedPainter into dropping the 67MB of text its holding onto, but after 12 minutes, it does disappear on its own.

Similar Messages

How to bind JtextFields in Swing to Table fields in the database

Can some one give the code of how to bind JtextFields in Swing to Table fields in the database
Am really new to java programming and have interest in learning

The standard JDK doesn't do this for you. If you search on Google, you may find some 3rd party packages that will do this.
You need to create your own form add execute the appropriate SQL yourself. Read the tutorial on [url http://java.sun.com/docs/books/tutorial/]JDBC Database Access to get started.

Hi how to add graph in swings

hi can anyone help me plz
how to add graph in swings
its very urgent
can anyone help me

As it is urgent, I might be late. Anyway, this is the tutorial:
http://java.sun.com/docs/books/tutorial/uiswing/14painting/index.html

How can I flush/repair installed programs in the Application Manager / Creative Cloud?

Hi. I had installed a few of the Adobe programs through the Application Manager/Creative Cloud service on a Windows 7 system. The system crashed, forcing me to recover from a prior time backup, which was from before I installed the programs. Now, the Adobe Application Manager shows the prior programs as "Installed", and will not allow me to re-install them. These programs *do not* appear in Window's "Uninstall Programs" listing for me to uninstall manually, *nor* do they appear in the Start Menu to launch. And as far as I can tell, they no longer have Registry entries.
How do I flush the Application Manager to tell it that I do not have these programs installed anymore, or force it to re-install?
Thanks.

I don't believe the data on what is installed and what is not is held at Adobe; I think it is in your particular instance of the AAM that "knows" what is installed.
I'm not sure what happened to me will help you or not but... Also, I have a Mac not a Win7 system.
In my case, I had Acrobat X Pro and I download Acrobat XI. Acrobat does not like to install when there is an older version already on the machine. Adobe tells you to unistall the older version and then install the new version. Why this isn't in their install scripts is beyond me. The installer for Acrobat XI ran sucessfully. I didn't realize the problem until I went to open a PDF.
I manually uninstalled Acrobat X. Still had problems. Then I manually uninstalled Acrobat XI. (Both times I used the uninstaller Adobe provides.) I started AAM and it showed the XI installed. I tried the Adobe Creative Suite Cleaner Tool. The tool is supposed to clear out any left overs after an uninstall and thus "flush" AAM. When I ran the Cleaner, Acrobat XI didn't show up in the list of programs. I eventually found a second uninstaller for Acrobat XI that cleaned things up such that AAM agreed I needed to install the software.
With the disk-based installs, when you ran the installer you got an option to "repair" the current installation. Why you have to jump through all the hoops that AAM has not is beyond me. It would seem more rational to put options into AAM directly to let you re-install things or repair them. This is one where Adobe dropped the ball.

How do I flush my DNS cache

My internet lookup is slow. I have read that I can fix this by using either openDNS or googleDNS servers. How Do I flush my DNS cache after switching DNS servers?

Restart the computer.

How to use stysheet for Swing components?

Hi,
Give me a guidence abt how to use Stylesheet for Swing components to crate good looking GUI...........thnx

thank you for your reply,
I want to know how many times a component is refreshed. I'm asumming the RefreshCondition attribute gets called everytime a component gets refreshed, hence it could be counted.
I'm just not sure how to use it.

How can i become Sun Certified Java Programmer?

Dearl All,
Can anyone tell me how can i become Sun Certified Java Programmer?
Thanks in Advance..
thanks & Regards,
Mark Spenser
[web design los angeles|http://www.plaveb.com]

No link sigs in here please.
See this link for all information needed:
[http://www.sun.com/training/certification/]

Accessdenied (java.lang.RuntimePermission accessClassInPackage.sun.swing)

accessdenied (java.lang.RuntimePermission accessClassInPackage.sun.swing)

the detailed message is given below.
Exception in read object===>access denied (java.lang.RuntimePermission accessClassInPackage.sun.swing)
java.security.AccessControlException: access denied (java.lang.RuntimePermission accessClassInPackage.sun.swing)
     at java.security.AccessControlContext.checkPermission(Unknown Source)
     at java.security.AccessController.checkPermission(Unknown Source)
     at java.lang.SecurityManager.checkPermission(Unknown Source)
     at java.lang.SecurityManager.checkPackageAccess(Unknown Source)
     at sun.applet.AppletSecurity.checkPackageAccess(Unknown Source)
     at sun.applet.AppletClassLoader.loadClass(Unknown Source)
     at java.lang.ClassLoader.loadClass(Unknown Source)
     at java.lang.ClassLoader.loadClassInternal(Unknown Source)
     at java.lang.Class.forName0(Native Method)
     at java.lang.Class.forName(Unknown Source)
     at java.io.ObjectInputStream.resolveClass(Unknown Source)
     at java.io.ObjectInputStream.readNonProxyDesc(Unknown Source)
     at java.io.ObjectInputStream.readClassDesc(Unknown Source)
     at java.io.ObjectInputStream.readOrdinaryObject(Unknown Source)
     at java.io.ObjectInputStream.readObject0(Unknown Source)
     at java.io.ObjectInputStream.defaultReadFields(Unknown Source)
     at java.io.ObjectInputStream.defaultReadObject(Unknown Source)
     at java.awt.Component.readObject(Unknown Source)
     at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
     at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
     at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
     at java.lang.reflect.Method.invoke(Unknown Source)
     at java.io.ObjectStreamClass.invokeReadObject(Unknown Source)
     at java.io.ObjectInputStream.readSerialData(Unknown Source)
     at java.io.ObjectInputStream.readOrdinaryObject(Unknown Source)
     at java.io.ObjectInputStream.readObject0(Unknown Source)
     at java.io.ObjectInputStream.readArray(Unknown Source)
     at java.io.ObjectInputStream.readObject0(Unknown Source)
     at java.io.ObjectInputStream.defaultReadFields(Unknown Source)
     at java.io.ObjectInputStream.readSerialData(Unknown Source)
     at java.io.ObjectInputStream.readOrdinaryObject(Unknown Source)
     at java.io.ObjectInputStream.readObject0(Unknown Source)
     at java.io.ObjectInputStream.readArray(Unknown Source)
     at java.io.ObjectInputStream.readObject0(Unknown Source)
     at java.io.ObjectInputStream.defaultReadFields(Unknown Source)
     at java.io.ObjectInputStream.readSerialData(Unknown Source)
     at java.io.ObjectInputStream.readOrdinaryObject(Unknown Source)
     at java.io.ObjectInputStream.readObject0(Unknown Source)
     at java.io.ObjectInputStream.readObject(Unknown Source)
     at epmj.workflow.ObjectTransmit.readObject(ObjectTransmit.java:44)
     at epmj.workflow.WfApplet12.PKJinitUI(WfApplet12.java:1286)
     at epmj.workflow.WfApplet12.init(WfApplet12.java:326)
     at sun.applet.AppletPanel.run(Unknown Source)
     at java.lang.Thread.run(Unknown Source)

How do I use Sun Web Server 7.0u1 reverse proxy to change public URLs?

Some of our installations use the Sun Web Server 7.0 (update 1, usually)
for hosting some of the public resource and reverse-proxying other parts
of the URI namespace from other backend servers (content, application
and other types of servers).
So far every type of backend server served a unique part of the namespace
and there was no collision of names, and the backend resources were
published in a one-to-one manner. That is, a backend resource like, say,
http://appserver:8080/content/page.html would be published in the internet
as http://www.publicsite.com/content/page.html
I was recently asked to research whether we can rename some parts of
the public URI namespace, to publish some or all resources as, say,
http://www.publicsite.com/data/page.html while using the same backend
resources.
Another quest, possibly related in solution, was to make a tidy url for the
first page the user opens of the site. That is, in the current solution when
a visitor types the url "www.publicsite.com" in his or her browser, our web
server returns an HTTP-302 redirect to the actual first page URL, so the
browser sends a second request (and changes the URL in its location bar).
One customer said that it is not "tidy". They don't want the URL to change
right upon first rendering the page. They want the root page to be rendered
instantly i the first HTTP request.
So far I found that I can't solve these problems. I believe these problems
share a solution because it relies on ability to control the actual URI strings
requested by Sun Web Server from backend servers.
Some details follow, now:
It seems that the reverse proxy (Service fn="service-passthrough") takes
only the $uri value which was originally requested by the browser. I didn't
yet manage to override this value while processing a request, not even if
I "restart" a request. Turning the error log up to "finest" I see that even
when making the "service-passthrough" operation, the Sun Web Server
still remembers that the request was for "/test" (in my test case below);
it does indeed ask the backend server for an URI "/test" and that fails.
[04/Mar/2009:21:45:34] finest (25095) www.publicsite.com: for host xx.xx.xx.83
trying to GET /content/MainPage.html while trying to GET /test, func_exec reports:
fn="service-passthrough" rewrite-host="true" rewrite-location="true"
servers="http://10.16.2.127:8080" Directive="Service" DaemonPool="2b1348"
returned 0 (REQ_PROCEED)My obj.conf file currently has simple clauses like this:
# this causes /content/* to be taken from another (backend) server
NameTrans fn="assign-name" from="/content" name="content-test" nostat="/content"
# this causes requests to site root to be HTTP-redirected to a certain page URI
<If $uri =~ '^/$'>
    NameTrans fn="redirect"
        url="http://www.publicsite.com/content/MainPage.html"
</If>
<Object name="content-test">
### This maps http://public/content/* to http://10.16.2.127:8080/content/*
### Somehow the desired solution should instead map http://public/data/* to http://10.16.2.127:8080/content/*
    Service fn="service-passthrough" rewrite-host="true" rewrite-location="true" servers="http://10.16.2.127:8080"
    Service fn="set-variable" set-srvhdrs="host=www.publicsite.com:80"
</Object>
I have also tried "restart"ing the request like this:
    NameTrans fn="restart" uri="/data"or desperately trying to set the new request uri like this:
    Service fn="set-variable" uri="/magnoliaPublic/Main.html"Thanks for any ideas (including a statement whether this can be done at all
in some version of Sun Web Server 7.0 or its opensourced siblings) ;)
//Jim

Some of our installations use the Sun Web Server 7.0 (update 1, usually)please plan on installing the latest service pack - 7.0 Update 4. these updates addresses potentially critical bug fixes.
I was recently asked to research whether we can rename some parts of
the public URI namespace, to publish some or all resources as, say,
http://www.publicsite.com/data/page.html while using the same backend
resources.> now, if all the resources are under say /data, then how will you know which pages need to be sent to which back end resources. i guess, you probably meant to check for /data/page.html should go to <back-end>/content/page.html
yes, you could do something like
- edit your corresponding obj.conf (<hostname>-obj.conf or obj.conf depending on your configuration)
<Object name=¨default¨>
<If $uri = ¨/page/¨>
#move this nametrans SAF (for map directive - which is for reverse proxy within <if> clause)
NameTrans.. fn=map
</If
</Object>
and you could do https-<hostname>/bin/reconfig (dynamic reconfiguration) to check out if this is what you wanted. also, you might want to move config/server.xml <log-level> to finest and do your configuration . this way, you would get enough information on what is going on within your server logs.
finally,when you are satisfied, you might have to run the following command to make your manual change into admin config repository.
<install-root>/bin/wadm pull-config user=admin config=<hostname> <hostname>
<install-root>/bin/wadm deploy-config --user=admin <hostname>
you might want to check out this for more info on how you could use <if> else condition to handle your requirement.
http://docs.sun.com/app/docs/doc/820-6599/gdaer?a=view
finally, you might want to refer to this doc - which explains on ws7 request processing overview. this should provide you with some pointers as to what these different directives mean
http://docs.sun.com/app/docs/doc/820-6599/gbysz?a=view
>
One customer said that it is not "tidy". They don't want the URL to change
right upon first rendering the page. They want the root page to be rendered
instantly i the first HTTP request.
please check out the rewrite / restart SAF. this should help you.
http://docs.sun.com/app/docs/doc/820-6599/gdada?a=view
pl. understand that - like with more web servers - ordering of directives is very important within obj.conf. so, you might want to make sure that you verify the obj.conf directive ordering is what you want it to do..
It seems that the reverse proxy (Service fn="service-passthrough") takes
only the $uri value which was originally requested by the browser. I didn't
yet manage to override this value while processing a request, not even if
I "restart" a request. Turning the error log up to "finest" I see that even
when making the "service-passthrough" operation, the Sun Web Server
still remembers that the request was for "/test" (in my test case below);
it does indeed ask the backend server for an URI "/test" and that fails.
now, you are in the totally wrong direction. web server 7 includes a highly integrated reverse proxy solution compared to 6.1. unlike 6.1, you don´t have to download a separate plugin . however, you will need to manually migrate your 6.1 based reverse proxy settings into 7.0. please check out this blog link on how to set up a reverse proxy
http://blogs.sun.com/amit/entry/setting_up_a_reverse_proxy
feel free to post to us if you need any futher help
you are probably better off - starting fresh
- install ws7u4
- use gui or CLI to create a reverse proxy and map one on one - say content
http://docs.sun.com/app/docs/doc/820-6601/create-reverse-proxy-1?a=view
if you don´t plan on using ws7 integrated web container (ability to process jsp/servlet), then you could disable java support as well. this should reduce your server memory footprint
<install-root>/bin/wadm disable-java user=admin config=<hostname>
<install-root>/bin/wadm create-reverse-proxy user=admin uri-prefix=/content server=<http://your back end server/ config=<hostname> --vs=<hostname>
<install-root>/bin/wadm deploy-config --user=admin <hostname>
now, you can check out the regular express processing and <if> syntax from our docs and try it out within <https-<hostname>/config/<hostname>-obj.conf> file and restart the server. pl. note that once you disable java, ws7 admin server creates <vs>-obj.conf and you need to edit this file and not default obj.conf for your changes to be read by server.
>
I have also tried "restart"ing the request like this:
NameTrans fn="restart" uri="/data"
ordering is very important here... you need to do this some thing like
<Object name=default>
<If not $restarted>
NameTrans fn=restart uri from=/¨ uri=/foo.
</If>

How do I install Sun ONE ASTAware SD w/o javaw.exe error?

I have been trying to execute the Sun ONE Starter Kit successfully for a month now. I purchased the Starter Kit on CD-ROMs. I run Windows 2000, SP2 with all critical and recommended repairs, on a Pentium 4 board installed in a custom computer--that is, with the best of all hardware components. Every time I install ASTAware SearchDisc and then try to execute the search function, I receive the following error message, "javaw.exe has generated errors and will be closed by Windows. You will need to restart the program." I have tried every workaround offered in the forum and unfortunately none work. Would you kindly provide ASAP a step-by-step guide on how to resolve the error? Please leave nothing to the imagination, such as, when you state that the CLASSPATH must be set, please explain where the environmental variable must be set and how to set it (please refer to http://forum.sun.com/thread.jsp?forum=78&thread=8700; Topic: CD 1, Search Engine Installation Problem.
Operation of the ASTAware SearchDisc is especially important to me. I have submitted an invited prospectus for a business executive's book on component-based software engineering and software reuse. I intend to use Sun One to present simple examples of how software component teams work and, thus, achieve higher returns-on-investment than most current techniques. Yet, the state of Sun ONE's search engine is the very reason business executives are reluctant to adopt new technologies. When they see too many workarounds for an obvious defect in an application, business executives are reticient to spend great sums of money to transition to component-based technologies and software reuse.
Again, please help as soon as possible. Thanks.

thanks for that, according to this it should be run like
/path/to/build.sh build single netinstall
from inside the chroot
posting this for my own reference and in case it helps others, will mark as solved
thanks again for your help
Last edited by gav989 (2012-02-12 10:58:04)

How do you get Sun One Web Server to read white spacing in a url

Hi guys,
I am currently using Sun One Web Server and this is the problem that i am currently facing.
The url which is i am trying to read from the Sun One Web Server is http://test:8000/test/Testing%20A%20B
The error which i am getting is java.lang.RuntimeException: java.net.URISyntaxException: Illegal character in path
The reason why this is happening is because the original url is http://test:8000/test/Testing A B It has spacing in between the url. I cannot get rid of the spacing thru the code where its bound to a Content Management System. So the only way is to get the Sun One Web Server to be able to read this kind of url. There are about 300 to 400 of this types of url as they are dynamically generated.
I was looking at the obj.conf and magnum.conf file to see whether i can manipulate this url to work for this situation. But with no luck.
Can anyone please let me know if they have came across this problem.
Thanks.

Hi,
This is the stack Trace:
Error 500--Internal Server Error
java.lang.RuntimeException: java.net.URISyntaxException: Illegal character in path at index 29: /models/Sportwagon/Sportwagon SS V-Series
     at au.com.holden.cs.assembler.FriendlyURLAssembler.getInputURI(FriendlyURLAssembler.java:329)
     at au.com.holden.web.mvc.ViewUtil.getInputModelAndView(ViewUtil.java:29)
     at au.com.holden.web.mvc.navigation.ModelNavigationController.handleNoSuchRequestHandlingMethod(ModelNavigationController.java:17)
     at org.springframework.web.servlet.mvc.multiaction.MultiActionController.handleRequestInternal(MultiActionController.java:375)
     at org.springframework.web.servlet.mvc.AbstractController.handleRequest(AbstractController.java:153)
     at org.springframework.web.servlet.mvc.SimpleControllerHandlerAdapter.handle(SimpleControllerHandlerAdapter.java:45)
     at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:820)
     at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:755)
     at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:396)
     at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:350)
     at javax.servlet.http.HttpServlet.service(HttpServlet.java:707)
     at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
     at weblogic.servlet.internal.StubSecurityHelper$ServletServiceAction.run(StubSecurityHelper.java:227)
     at weblogic.servlet.internal.StubSecurityHelper.invokeServlet(StubSecurityHelper.java:125)
     at weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:292)
     at weblogic.servlet.internal.TailFilter.doFilter(TailFilter.java:26)
     at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:42)
     at weblogic.servlet.internal.RequestEventsFilter.doFilter(RequestEventsFilter.java:27)
     at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:42)
     at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.run(WebAppServletContext.java:3496)
     at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:321)
     at weblogic.security.service.SecurityManager.runAs(Unknown Source)
     at weblogic.servlet.internal.WebAppServletContext.securedExecute(WebAppServletContext.java:2180)
     at weblogic.servlet.internal.WebAppServletContext.execute(WebAppServletContext.java:2086)
     at weblogic.servlet.internal.ServletRequestImpl.run(ServletRequestImpl.java:1406)
     at weblogic.work.ExecuteThread.execute(ExecuteThread.java:201)
     at weblogic.work.ExecuteThread.run(ExecuteThread.java:173)
Caused by: java.net.URISyntaxException: Illegal character in path at index 29: /models/Sportwagon/Sportwagon SS V-Series
     at java.net.URI$Parser.fail(URI.java:2809)
     at java.net.URI$Parser.checkChars(URI.java:2982)
     at java.net.URI$Parser.parseHierarchical(URI.java:3066)
     at java.net.URI$Parser.parse(URI.java:3024)
     at java.net.URI.(URI.java:578)
     at au.com.holden.cs.assembler.FriendlyURLAssembler.getInputURI(FriendlyURLAssembler.java:326)
     ... 26 more
This is the path which was access by me using Sun One Web Server: http://poll:8006/models/Sportwagon/Sportwagon%20SS%20V-Series
As you can see that Sun One Web Server dont like spacing between url.
Does anyone know how to fix this problem thru configuration in Sun One Web Server?

How do you flush a device's buffer using LabVIEW GPIB functions?

I know the VISA Flush function is an alternative, but I started my program with the low level GPIB functions and it would be a huge task switching now, so if anyone knows how I would do the buffer clear I would greatly appreciate it if you can show me how it's done. Thanks.
Otman

Your comment about an indicator getting "clogged up with data" doesn't make any sense. The contents of a string or array indicator can get large and slow things down but a numeric indicator cannot get clogged up. If the data stops making sense, then you are incorrectly reading the instrument and converting that data to a numeric. With your comments about the device transmit buffer, I suspect you have occasionaly set the byte count too low and unread bytes are there that you then read the next time. As long as the instrument is fairly new, it will send out a termination character (typically EOI) that will terminate the read. You can then set the read count to some arbitrarily high number to ensure you've got the entire tr
ansmit buffer contents. It's also possible that you periodicaly have an error condition where the instrument is sending unexpected information. For example, if it normally sends a floating point number as a result and then it sends an error message string, you might not be intrepreting it correctly.

How can we get Sun Ray DHCP address in Windows XP?

We need the DHCP address (served by Windows) of our Sun Rays as a variable in our Windows XP session (served by VDI 3 / vBox 2.0.10). Customer wants to use this for a windows script which maps the room printer to the Sun Rays Windows XP session. So the user can get always the room printer automatically mapped as the default and don't need to choice the right printer. How can we do this and will this work wor hotdesking too?

currently you can not use SGD and Sun VDI on dual monitors. There is a Request for Feature Enhancement to provide this feature in a future version.

How to use com.bruceeckel.swing

Im trying to execute some code that comes in bruce eckel�s thinking in java, but it imports com.bruceeckel.swing, and the compiler (eclipse) doesnt know where the package is located. How do i use those classes that come with the book? where do i have to place them? please, anyone who�s gone trhu this, please explain

Im trying to execute some code that comes in bruce
eckel�s thinking in java, but it imports
com.bruceeckel.swing, and the compiler (eclipse)
doesnt know where the package is located. How do i
use those classes that come with the book? where do i
have to place them? please, anyone who�s gone trhu
this, please explainDownload the class files or their source code and add/import them into your project in Eclipse.

How do I create this Swing widget?

I have not found a swing widget that looks like the one on the image below. It is similar to the JScrollPane widget but this one has columns as well. How do I create a widget like this in Java?
http://www.sitepoint.com/forums/attachment.php?attachmentid=38360

Place a JTable in a JScrollPane.
ICE

How do I flush sun.swing.CachedPainter?

Similar Messages

Maybe you are looking for