Hello I am having difficulty getting screen sharing working under OM 3.1.3.
Name OpenMeetings Version 3.1.3 Revision 1762075 Build date 2016/09/23 16:58 CentOS 7 Installed following instructions at https://cwiki.apache.org/confluence/download/attachments/27838216/Installation%20OpenMeetings%203.1.x%20on%20Centos%207.pdf?version=12&modificationDate=1475086339000&api=v2 Testing using Fedora 24, Firefox & Iced Tea but same issue reported under Windows with Java jre Output from Java console below - I can't see anything in the server logs. Any assistance appreciated Regards Jodi You are trying to get resource http://localhost:5080/openmeetings/screenshare/splashicon.png but it is not in cache and could not be downloaded. Attempting to continue, but you may expect failure You are trying to get resource http://localhost:5080/openmeetings/screenshare/bcprov-jdk15on-1.55.jar but it is not in cache and could not be downloaded. Attempting to continue, but you may expect failure You are trying to get resource http://localhost:5080/openmeetings/screenshare/openmeetings-screenshare-3.1.3-full.jar but it is not in cache and could not be downloaded. Attempting to continue, but you may expect failure JAR http://localhost:5080/openmeetings/screenshare/bcprov-jdk15on-1.55.jar not found. Continuing. JAR http://localhost:5080/openmeetings/screenshare/openmeetings-screenshare-3.1.3-full.jar not found. Continuing. JAR http://localhost:5080/openmeetings/screenshare/bcprov-jdk15on-1.55.jar not found. Continuing. JAR http://localhost:5080/openmeetings/screenshare/openmeetings-screenshare-3.1.3-full.jar not found. Continuing. netx: Initialization Error: Could not initialize application. (Fatal: Initialization Error: Unknown Main-Class. Could not determine the main class for this application.) net.sourceforge.jnlp.LaunchException: Fatal: Initialization Error: Could not initialize application. The application has not been initialized, for more information execute javaws from the command line. at net.sourceforge.jnlp.Launcher.createApplication(Launcher.java:813) at net.sourceforge.jnlp.Launcher.launchApplication(Launcher.java:532) at net.sourceforge.jnlp.Launcher$TgThread.run(Launcher.java:936) Caused by: net.sourceforge.jnlp.LaunchException: Fatal: Initialization Error: Unknown Main-Class. Could not determine the main class for this application. at net.sourceforge.jnlp.runtime.JNLPClassLoader.initializeResources(JNLPClassLoader.java:704) at net.sourceforge.jnlp.runtime.JNLPClassLoader.<init>(JNLPClassLoader.java:285) at net.sourceforge.jnlp.runtime.JNLPClassLoader.createInstance(JNLPClassLoader.java:357) at net.sourceforge.jnlp.runtime.JNLPClassLoader.getInstance(JNLPClassLoader.java:429) at net.sourceforge.jnlp.runtime.JNLPClassLoader.getInstance(JNLPClassLoader.java:403) at net.sourceforge.jnlp.Launcher.createApplication(Launcher.java:805) ... 2 more Selected proxies: [DIRECT] Browser selected proxies: [DIRECT] Browser proxy option "4" (Automatic) not supported yet. Selecting proxy for: socket://localhost:5080 Selected proxies: [DIRECT] Browser selected proxies: [DIRECT] Browser proxy option "4" (Automatic) not supported yet. Selecting proxy for: http://localhost:5080/openmeetings/screenshare/splashicon.png done http://localhost:5080/openmeetings/screenshare/splashicon.png Connecting http://localhost:5080/openmeetings/screenshare/splashicon.png java.net.ConnectException: Connection refused at java.net.PlainSocketImpl.socketConnect(Native Method) at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) at java.net.Socket.connect(Socket.java:589) at java.net.Socket.connect(Socket.java:538) at sun.net.NetworkClient.doConnect(NetworkClient.java:180) at sun.net.www.http.HttpClient.openServer(HttpClient.java:432) at sun.net.www.http.HttpClient.openServer(HttpClient.java:527) at sun.net.www.http.HttpClient.<init>(HttpClient.java:211) at sun.net.www.http.HttpClient.New(HttpClient.java:308) at sun.net.www.http.HttpClient.New(HttpClient.java:326) at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1169) at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1105) at sun.net.www.protocol.http.HttpURLConnection$6.run(HttpURLConnection.java:989) at sun.net.www.protocol.http.HttpURLConnection$6.run(HttpURLConnection.java:987) at java.security.AccessController.doPrivileged(Native Method) at java.security.AccessController.doPrivilegedWithCombiner(AccessController.java:782) at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:986) at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:933) at sun.net.www.protocol.http.HttpURLConnection.getInputStream0(HttpURLConnection.java:1513) at sun.net.www.protocol.http.HttpURLConnection.access$200(HttpURLConnection.java:90) at sun.net.www.protocol.http.HttpURLConnection$9.run(HttpURLConnection.java:1433) at sun.net.www.protocol.http.HttpURLConnection$9.run(HttpURLConnection.java:1431) at java.security.AccessController.doPrivileged(Native Method) at java.security.AccessController.doPrivilegedWithCombiner(AccessController.java:782) at sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1430) at java.net.HttpURLConnection.getResponseCode(HttpURLConnection.java:480) at net.sourceforge.jnlp.cache.ResourceDownloader.getUrlResponseCodeWithRedirectonResult(ResourceDownloader.java:72) at net.sourceforge.jnlp.cache.ResourceDownloader.findBestUrl(ResourceDownloader.java:263) at net.sourceforge.jnlp.cache.ResourceDownloader.initializeOnlineResource(ResourceDownloader.java:126) at net.sourceforge.jnlp.cache.ResourceDownloader.initializeResource(ResourceDownloader.java:118) at net.sourceforge.jnlp.cache.ResourceDownloader.run(ResourceDownloader.java:107) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) at java.lang.Thread.run(Thread.java:745) While processing http://localhost:5080/openmeetings/screenshare/splashicon.png by HEAD for resource location=http://localhost:5080/openmeetings/screenshare/splashicon.png state=PRECONNECT CONNECTING PREDOWNLOAD PROCESSING got java.net.ConnectException: Connection refused: Selected proxies: [DIRECT] Browser selected proxies: [DIRECT] Browser proxy option "4" (Automatic) not supported yet. Selecting proxy for: socket://localhost:5080 Selected proxies: [DIRECT] Browser selected proxies: [DIRECT] Browser proxy option "4" (Automatic) not supported yet. Selecting proxy for: http://localhost:5080/openmeetings/screenshare/splashicon.png done http://localhost:5080/openmeetings/screenshare/splashicon.png Connecting http://localhost:5080/openmeetings/screenshare/splashicon.png All possible urls for location=http://localhost:5080/openmeetings/screenshare/splashicon.png state=PRECONNECT CONNECTING PREDOWNLOAD PROCESSING : [http://localhost:5080/openmeetings/screenshare/splashicon.png, http://localhost:5080/openmeetings/screenshare/splashicon.png] Finding best URL for: http://localhost:5080/openmeetings/screenshare/splashicon.png : DownloadOptions[use pack: false; use version: false] result: null Jars not ready to provide attribute Application-Name Jars not ready to provide attribute Application-Name line: 40 line: 39 Acquired shared lock on /tmp/moggy/netx/locks/netx_running to indicate javaws is running UNIQUEKEY=1475545027694-1453894304-file:/tmp/mozilla_moggy0/public_4.jnlp good - your JRE - 1.8.0_102 - match requested JRE - 1.8+ Acceptable vendor tag found, contains: OpenMeetings Acceptable title tag found, contains: Openmeetings Screen Sharing applet Jars not ready to provide attribute Application-Name Description: A File to grab a screen and send it to a Server Homepage: null line: 38 </jnlp> line: 37 line: 36 </application-desc> line: 35 <argument>--dummy--</argument> line: 34 <argument>--dummy--</argument> line: 33 <argument>false</argument> line: 32 <argument>true</argument> line: 31 <argument>true</argument> line: 30 <argument>true</argument> line: 29 <argument>true</argument> line: 28 <argument>10</argument> line: 27 <argument>1</argument> line: 26 <argument>Desktop sharer;Click Start to publish your screen;Start sharing;Pause sharing;Select your screen area:;Change width;Change height;X-Offset;Y-Offset;Width:;Height:;Connection was closed by server;Show mouse position to viewers;Recording;You may record and share your screen at the same time. To enable others to see your screen just hit the start button on the top.;Start recording;Stop recording;Close;Quality of the screen share:;Very high quality;High quality;Medium quality;Low quality;Publish;Start Publish;Stop Publish;Host;Publish App;Publish Id;Reduce the width of the SharingScreen before you try to move it left;Reduce the height of the SharingScreen before you try to move it bottom;Reduce the x of the SharingScreen before you try to make it wider;Reduce the y of the SharingScreen before you try to make it higher;Fill these settings stream your screen data to 3th party providers like justin.tv;Please start Screen sharing to be able to publish it;Moderator permission required to start recording;Notify on disconnect;Security;Allow Remote Control (during screen sharing)</argument> line: 25 <argument>701635f3-c4c5-463a-9f55-62a789ffc34e</argument> line: 24 <argument>rtmp://103.232.226.167:1935/openmeetings/4</argument> line: 23 <application-desc main-class="org.apache.openmeetings.screenshare.Core"> line: 22 </resources> line: 21 <jar href="openmeetings-screenshare-3.1.3-full.jar" main="true"></jar> line: 20 <jar href="bcprov-jdk15on-1.55.jar" main="true"></jar> line: 19 <j2se version="1.8+"></j2se> line: 18 <resources> line: 17 </security> line: 16 <all-permissions></all-permissions> line: 15 <security> line: 14 </information> line: 13 <offline-allowed></offline-allowed> line: 12 <description kind="short">A File to grab a screen and send it to a Server</description> line: 11 <description>A File to grab a screen and send it to a Server</description> line: 10 <icon kind="splash" href="splashicon.png"></icon> line: 9 <icon href="icon.png"></icon> line: 8 <homepage>http://apache.org</homepage> line: 7 <vendor>OpenMeetings</vendor> line: 6 <title>Openmeetings Screen Sharing applet</title> line: 5 <information> line: 4 <jnlp spec="6.0+" codebase="http://localhost:5080/openmeetings/screenshare"; xmlns="http://www.w3.org/1999/xhtml";> line: 3 line: 2 <?xml version="1.0" standalone="yes"?> Using MalformedXMLParser UNIQUEKEY=1475545027638-1205310038-file:/tmp/mozilla_moggy0/public_4.jnlp good - your JRE - 1.8.0_102 - match requested JRE - 1.8+
