O víkendu (15:00 až 23:00) probíha EmacsConf 2025, tj. online konference vývojářů a uživatelů editoru GNU Emacs. Sledovat ji lze na stránkách konference. Záznamy budou k dispozici přímo z programu.
Provozovatel internetové encyklopedie Wikipedia jedná s velkými technologickými firmami o uzavření dohod podobných té, kterou má s Googlem. Snaží se tak zpeněžit rostoucí závislost firem zabývajících se umělou inteligencí (AI) na svém obsahu. Firmy využívají volně dostupná data z Wikipedie k trénování jazykových modelů, což zvyšuje náklady, které musí nezisková organizace provozující Wikipedii sama nést. Automatické programy
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V Las Vegas dnes končí pětidenní konference AWS re:Invent 2025. Společnost Amazon Web Services (AWS) na ní představila celou řadu novinek. Vypíchnout lze 192jádrový CPU Graviton5 nebo AI chip Trainium3.
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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:822) at net.sourceforge.jnlp.Launcher.launchApplication(Launcher.java:531) at net.sourceforge.jnlp.Launcher$TgThread.run(Launcher.java:945) Caused by: net.sourceforge.jnlp.LaunchException: Fatal: Application Error: Cannot grant permissions to unsigned jars. Application requested security permissions, but jars are not signed. at net.sourceforge.jnlp.runtime.JNLPClassLoader$SecurityDelegateImpl.getClassLoaderSecurity(JNLPClassLoader.java:2481) at net.sourceforge.jnlp.runtime.JNLPClassLoader.setSecurity(JNLPClassLoader.java:385) at net.sourceforge.jnlp.runtime.JNLPClassLoader.initializeResources(JNLPClassLoader.java:806) at net.sourceforge.jnlp.runtime.JNLPClassLoader.<>(JNLPClassLoader.java:338) at net.sourceforge.jnlp.runtime.JNLPClassLoader.createInstance(JNLPClassLoader.java:421) at net.sourceforge.jnlp.runtime.JNLPClassLoader.getInstance(JNLPClassLoader.java:495) at net.sourceforge.jnlp.runtime.JNLPClassLoader.getInstance(JNLPClassLoader.java:468) at net.sourceforge.jnlp.Launcher.createApplication(Launcher.java:814) ... 2 more 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:822) at net.sourceforge.jnlp.Launcher.launchApplication(Launcher.java:531) at net.sourceforge.jnlp.Launcher$TgThread.run(Launcher.java:945) Caused by: net.sourceforge.jnlp.LaunchException: Fatal: Application Error: Cannot grant permissions to unsigned jars. Application requested security permissions, but jars are not signed. at net.sourceforge.jnlp.runtime.JNLPClassLoader$SecurityDelegateImpl.getClassLoaderSecurity(JNLPClassLoader.java:2481) at net.sourceforge.jnlp.runtime.JNLPClassLoader.setSecurity(JNLPClassLoader.java:385) at net.sourceforge.jnlp.runtime.JNLPClassLoader.initializeResources(JNLPClassLoader.java:806) at net.sourceforge.jnlp.runtime.JNLPClassLoader.<>(JNLPClassLoader.java:338) at net.sourceforge.jnlp.runtime.JNLPClassLoader.createInstance(JNLPClassLoader.java:421) at net.sourceforge.jnlp.runtime.JNLPClassLoader.getInstance(JNLPClassLoader.java:495) at net.sourceforge.jnlp.runtime.JNLPClassLoader.getInstance(JNLPClassLoader.java:468) at net.sourceforge.jnlp.Launcher.createApplication(Launcher.java:814) ... 2 moreNevěděli byste někdo co s tím? Zkoušel jsem ještě nastavit /etc/java-8-openjdk/security/java.policy
permission java.net.SocketPermission "localhost:443", "connect,resolve"; permission java.net.SocketPermission "localhost:5900", "connect,resolve"; permission java.net.SocketPermission "localhost:5901", "connect,resolve";Ale zřejmě to není to samé co java exceptions na windows.
<\?xml version="1.0" encoding="UTF-8"?> <\jnlp codebase="https://localhost:443" spec="1.0+"> <\information> <\title>DRAC5 Console Redirection Client<\/title> <\vendor>Dell Inc.<\/vendor> <\icon href="https://localhost:443/oma/images/logo.gif" kind="splash"/> <\shortcut online="false"/> <\/information> <\application-desc main-class="com.avocent.drac5.kvm.Main"> <\argument>title=DRAC5 vKVM<\/argument> <\argument>ip=localhost<\/argument> <\argument>user=eeea9ddb4d763dc2ef560bfcd82630b3<\/argument> <\argument>passwd=<\/argument> <\argument>kmport=5900<\/argument> <\argument>vport=5901<\/argument> <\argument>apcp=0<\/argument> <\argument>version=1<\/argument> <\argument>sslv3=1<\/argument> <\/application-desc> <\security> <\all-permissions/> <\/security> <\resources> <\j2se version="1.6 1.5 1.4+"/> <\jar href="plugins/vkvm/avctDRAC5Viewer.jar"/> <\/resources> <\resources os="Windows"> <\nativelib href="plugins/vkvm/avctKVMIOWin32.jar"/> <\/resources> <\resources os="Linux"> <\nativelib href="plugins/vkvm/avctKVMIOLinux.jar"/> <\/resources> <\/jnlp>
mel sem podobnej problem se starym Dell KVM, s openjdk se nedarilo, ale s oracle java6 jo (s oracle java8 ne)...cat /etc/java-8-openjdk/security/java.security |grep "jdk.certpath.disabledAlgorithms=\|jdk.jar.disabledAlgorithms=\|jdk.tls.disabledAlgorithms=" # jdk.certpath.disabledAlgorithms=MD2, DSA, RSA keySize < 2048 #jdk.certpath.disabledAlgorithms=MD2, MD5, SHA1 jdkCA & usage TLSServer, \ #jdk.jar.disabledAlgorithms=MD2, MD5, RSA keySize < 1024, DSA keySize < 1024 # jdk.tls.disabledAlgorithms=MD5, SSLv3, DSA, RSA keySize < 2048 #jdk.tls.disabledAlgorithms=SSLv3, RC4, DES, MD5withRSA, DH keySize < 1024, \ #jdk.jar.disabledAlgorithms=MD2, RSA keySize < 1024 #jdk.tls.disabledAlgorithms=DH keySize < 768 #jdk.tls.disabledAlgorithms=SSLv3, RC4, DH keySize < 768, \ EC keySize < 224a výsledek je:
javaws /home/username/Downloads/vkvm.jnlp selected jre: /usr/lib/jvm/default-java WARNING: package javax.jnlp not in java.desktop Unable to use Firefox's proxy settings. Using "DIRECT" as proxy type. netx: Initialization Error: Could not initialize application. (Fatal: Application Error: Cannot grant permissions to unsigned jars. Application requested security permissions, but jars are not signed.) 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:822) at net.sourceforge.jnlp.Launcher.launchApplication(Launcher.java:531) at net.sourceforge.jnlp.Launcher$TgThread.run(Launcher.java:945) Caused by: net.sourceforge.jnlp.LaunchException: Fatal: Application Error: Cannot grant permissions to unsigned jars. Application requested security permissions, but jars are not signed. at net.sourceforge.jnlp.runtime.JNLPClassLoader$SecurityDelegateImpl.getClassLoaderSecurity(JNLPClassLoader.java:2481) at net.sourceforge.jnlp.runtime.JNLPClassLoader.setSecurity(JNLPClassLoader.java:385) at net.sourceforge.jnlp.runtime.JNLPClassLoader.initializeResources(JNLPClassLoader.java:806) at net.sourceforge.jnlp.runtime.JNLPClassLoader.<\init>(JNLPClassLoader.java:338) at net.sourceforge.jnlp.runtime.JNLPClassLoader.createInstance(JNLPClassLoader.java:421) at net.sourceforge.jnlp.runtime.JNLPClassLoader.getInstance(JNLPClassLoader.java:495) at net.sourceforge.jnlp.runtime.JNLPClassLoader.getInstance(JNLPClassLoader.java:468) at net.sourceforge.jnlp.Launcher.createApplication(Launcher.java:814) ... 2 moreOni jsou podepsané, ale platnost podpisu končí cca 2013..
java -version openjdk version "1.8.0_212" OpenJDK Runtime Environment (build 1.8.0_212-8u212-b03-0ubuntu1.18.04.1-b03) OpenJDK 64-Bit Server VM (build 25.212-b03, mixed mode)
$ javaws /tmp/mozilla_blabla0/vkvm.jnlp
java.security.AccessControlException: access denied ("java.io.FilePermission" "/usr/bin/xprop" "execute")
at java.security.AccessControlContext.checkPermission(AccessControlContext.java:472)
at java.security.AccessController.checkPermission(AccessController.java:884)
at java.lang.SecurityManager.checkPermission(SecurityManager.java:549)
at java.lang.SecurityManager.checkExec(SecurityManager.java:796)
at java.lang.ProcessBuilder.start(ProcessBuilder.java:1018)
at java.lang.Runtime.exec(Runtime.java:620)
at java.lang.Runtime.exec(Runtime.java:450)
at java.lang.Runtime.exec(Runtime.java:347)
at org.GNOME.Accessibility.AtkWrapper.<clinit>(AtkWrapper.java:34)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
at java.lang.Class.newInstance(Class.java:442)
at java.awt.Toolkit.loadAssistiveTechnologies(Toolkit.java:805)
at java.awt.Toolkit.getDefaultToolkit(Toolkit.java:886)
at javax.swing.UIManager.getSystemLookAndFeelClassName(UIManager.java:611)
at net.sourceforge.jnlp.runtime.JNLPRuntime.initialize(JNLPRuntime.java:218)
at net.sourceforge.jnlp.runtime.Boot.init(Boot.java:326)
at net.sourceforge.jnlp.runtime.JnlpBoot.run(JnlpBoot.java:58)
at net.sourceforge.jnlp.runtime.Boot.run(Boot.java:245)
at net.sourceforge.jnlp.runtime.Boot.run(Boot.java:63)
at java.security.AccessController.doPrivileged(Native Method)
at net.sourceforge.jnlp.runtime.Boot.main(Boot.java:195)
This application does not specify a Codebase in its manifest. Please verify with the applet's vendor. Continuing. See: http://docs.oracle.com/javase/7/docs/technotes/guides/jweb/security/no_redeploy.html for details.
This application does not specify a Codebase in its manifest. Please verify with the applet's vendor. Continuing. See: http://docs.oracle.com/javase/7/docs/technotes/guides/jweb/security/no_redeploy.html for details.
Application title was not found in manifest. Check with application vendor
Application title was not found in manifest. Check with application vendor
Application title was not found in manifest. Check with application vendor
Application title was not found in manifest. Check with application vendor
Application title was not found in manifest. Check with application vendor
Application title was not found in manifest. Check with application vendor
Application title was not found in manifest. Check with application vendor
Application title was not found in manifest. Check with application vendor
Application title was not found in manifest. Check with application vendor
Application title was not found in manifest. Check with application vendor
Application title was not found in manifest. Check with application vendor
Application title was not found in manifest. Check with application vendor
Application title was not found in manifest. Check with application vendor
Application title was not found in manifest. Check with application vendor
Application title was not found in manifest. Check with application vendor
Application title was not found in manifest. Check with application vendor
Application title was not found in manifest. Check with application vendor
Application title was not found in manifest. Check with application vendor
Packet log written to: /home/blabla/c:\javaViewer.log
==== propertyChange: (SESSION_STATE):CONNECTING====
05/28/2019 10:33:45:595: SSL: context protocol = SSLv3
05/28/2019 10:33:45:726: SSLv2Hello
05/28/2019 10:33:45:752: SSLv3
05/28/2019 10:33:45:770: TLSv1
05/28/2019 10:33:45:791: TLSv1.1
05/28/2019 10:33:45:800: TLSv1.2
05/28/2019 10:33:45:834: ======connectToPort======
05/28/2019 10:33:46:003: User Login Request: 0x100
05/28/2019 10:33:46:082: ======connectToPort - sendRequest======
05/28/2019 10:33:46:108: packet type( 0x100)
05/28/2019 10:33:46:091: SSL: checkServerTrusted() called.
05/28/2019 10:33:46:190: SSL: getAcceptedIssuers() called. Sending packet: com.avocent.kvm.e.a.bf@96a35c (8, 208).
...
$ java -version openjdk version "1.8.0_212" OpenJDK Runtime Environment (build 1.8.0_212-8u212-b01-1~deb9u1-b01) OpenJDK Server VM (build 25.212-b01, mixed mode)
$ jarsigner -verify -verbose avctDRAC5Viewer.jar | tail -n 1 The signer certificate expired on 2013-08-31. However, the JAR will be valid until the timestamp expires on 2024-03-03.
RAC Information Name DRAC 5 Product Information Dell Remote Access Controller 5 Hardware Version A00 Firmware Version 1.60 (11.03.03) Firmware Updated Wed Nov 13 15:09:04 2013 RAC Time Tue May 28 10:02:09 2019
Tiskni
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