wait a second class version 51.0 == java7 it seems your maven uses java6 somehow ....
On Fri, Mar 4, 2016 at 5:31 PM, Maxim Solodovnik <solomax...@gmail.com> wrote: > According to: http://maven.apache.org/download.cgi Java7 is required > I personally was able to build RC1 using maven 3.3.9 and oracle java7. > > It seems your maven was built using java8 .... > where you have downloaded it? > > On Fri, Mar 4, 2016 at 5:23 PM, Peter Dähn <da...@vcrp.de> wrote: > >> different Error... >> >> mvn --version >> Apache Maven 3.3.9 (bb52d8502b132ec0a5a3f4c09453c07478323dc5; >> 2015-11-10T17:41:47+01:00) >> Maven home: /usr/local/apache-maven-3.3.9 >> Java version: 1.7.0_60, vendor: Oracle Corporation >> Java home: /usr/lib/jvm/jdk1.7.0_60/jre >> Default locale: de_DE, platform encoding: UTF-8 >> OS name: "linux", version: "3.13.0-74-lowlatency", arch: "amd64", family: >> "unix" >> >> mvn clean install >> Exception in thread "main" java.lang.UnsupportedClassVersionError: >> org/apache/maven/cli/MavenCli : Unsupported major.minor version 51.0 >> at java.lang.ClassLoader.defineClass1(Native Method) >> at java.lang.ClassLoader.defineClassCond(ClassLoader.java:631) >> at java.lang.ClassLoader.defineClass(ClassLoader.java:615) >> at >> java.security.SecureClassLoader.defineClass(SecureClassLoader.java:141) >> at java.net.URLClassLoader.defineClass(URLClassLoader.java:283) >> at java.net.URLClassLoader.access$000(URLClassLoader.java:58) >> at java.net.URLClassLoader$1.run(URLClassLoader.java:197) >> at java.security.AccessController.doPrivileged(Native Method) >> at java.net.URLClassLoader.findClass(URLClassLoader.java:190) >> at >> org.codehaus.plexus.classworlds.realm.ClassRealm.loadClassFromSelf(ClassRealm.java:401) >> at >> org.codehaus.plexus.classworlds.strategy.SelfFirstStrategy.loadClass(SelfFirstStrategy.java:42) >> at >> org.codehaus.plexus.classworlds.realm.ClassRealm.unsynchronizedLoadClass(ClassRealm.java:271) >> at >> org.codehaus.plexus.classworlds.realm.ClassRealm.loadClass(ClassRealm.java:254) >> at >> org.codehaus.plexus.classworlds.realm.ClassRealm.loadClass(ClassRealm.java:239) >> at >> org.codehaus.plexus.classworlds.launcher.Launcher.getMainClass(Launcher.java:144) >> at >> org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced(Launcher.java:266) >> at >> org.codehaus.plexus.classworlds.launcher.Launcher.launch(Launcher.java:229) >> at >> org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode(Launcher.java:415) >> at >> org.codehaus.plexus.classworlds.launcher.Launcher.main(Launcher.java:356) >> >> Do I need Java8? >> >> Greetings Peter >> >> >> >> Am 04.03.2016 um 11:57 schrieb Maxim Solodovnik: >> >>> Can you double-check with latest maven (3.3.9 if I'm not mistaken) >>> >>> WBR, Maxim >>> (from mobile, sorry for the typos) >>> On Mar 4, 2016 16:47, "Peter Dähn" <da...@vcrp.de> wrote: >>> >>> Hi Maxime, >>>> >>>> sorry I was one day out of office... >>>> >>>> and sorry again, I did (somehow) the checkout from the trunk... >>>> >>>> By now i made a checkout from RC1 >>>> >>>> svn checkout >>>> https://svn.apache.org/repos/asf/openmeetings/application/tags/3.1.0RC1/ >>>> cd 3.1.0RC1/ >>>> mvn clean install >>>> >>>> [INFO] Scanning for projects... >>>> [INFO] >>>> ------------------------------------------------------------------------ >>>> [INFO] Reactor Build Order: >>>> [INFO] >>>> [INFO] Openmeetings >>>> [INFO] Openmeetings Util >>>> [INFO] Openmeetings DB >>>> [INFO] Openmeetings Core >>>> [INFO] Openmeetings Install >>>> [INFO] Openmeetings Service >>>> [INFO] Openmeetings Webservices >>>> [INFO] Openmeetings Web >>>> [INFO] Openmeetings Flash >>>> [INFO] Openmeetings Screen Sharing applet >>>> [INFO] Openmeetings Server >>>> [INFO] >>>> [INFO] Using the builder >>>> >>>> org.apache.maven.lifecycle.internal.builder.singlethreaded.SingleThreadedBuilder >>>> with a thread count of 1 >>>> [INFO] >>>> [INFO] >>>> ------------------------------------------------------------------------ >>>> [INFO] Building Openmeetings 3.1.0-SNAPSHOT >>>> [INFO] >>>> ------------------------------------------------------------------------ >>>> Downloading: >>>> >>>> https://repository.apache.org/content/groups/snapshots/org/apache/rat/apache-rat-plugin/0.12-SNAPSHOT/maven-metadata.xml >>>> [WARNING] Could not transfer metadata >>>> org.apache.rat:apache-rat-plugin:0.12-SNAPSHOT/maven-metadata.xml >>>> from/to >>>> apache-snapshots ( >>>> https://repository.apache.org/content/groups/snapshots): >>>> java.lang.RuntimeException: Could not generate DH keypair >>>> [WARNING] Failure to transfer >>>> org.apache.rat:apache-rat-plugin:0.12-SNAPSHOT/maven-metadata.xml from >>>> https://repository.apache.org/content/groups/snapshots was cached in >>>> the >>>> local repository, resolution will not be reattempted until the update >>>> interval of apache-snapshots has elapsed or updates are forced. Original >>>> error: Could not transfer metadata >>>> org.apache.rat:apache-rat-plugin:0.12-SNAPSHOT/maven-metadata.xml >>>> from/to >>>> apache-snapshots ( >>>> https://repository.apache.org/content/groups/snapshots): >>>> java.lang.RuntimeException: Could not generate DH keypair >>>> Downloading: >>>> >>>> https://repository.apache.org/content/groups/snapshots/org/apache/rat/apache-rat-plugin/0.12-SNAPSHOT/apache-rat-plugin-0.12-SNAPSHOT.pom >>>> [INFO] >>>> ------------------------------------------------------------------------ >>>> [INFO] Reactor Summary: >>>> [INFO] >>>> [INFO] Openmeetings ...................................... FAILURE [ >>>> 5.147 s] >>>> [INFO] Openmeetings Util ................................. SKIPPED >>>> [INFO] Openmeetings DB ................................... SKIPPED >>>> [INFO] Openmeetings Core ................................. SKIPPED >>>> [INFO] Openmeetings Install .............................. SKIPPED >>>> [INFO] Openmeetings Service .............................. SKIPPED >>>> [INFO] Openmeetings Webservices .......................... SKIPPED >>>> [INFO] Openmeetings Web .................................. SKIPPED >>>> [INFO] Openmeetings Flash ................................ SKIPPED >>>> [INFO] Openmeetings Screen Sharing applet ................ SKIPPED >>>> [INFO] Openmeetings Server ............................... SKIPPED >>>> [INFO] >>>> ------------------------------------------------------------------------ >>>> [INFO] BUILD FAILURE >>>> [INFO] >>>> ------------------------------------------------------------------------ >>>> [INFO] Total time: 13.480 s >>>> [INFO] Finished at: 2016-03-04T11:19:11+01:00 >>>> [INFO] Final Memory: 15M/159M >>>> [INFO] >>>> ------------------------------------------------------------------------ >>>> [ERROR] Plugin org.apache.rat:apache-rat-plugin:0.12-SNAPSHOT or one of >>>> its dependencies could not be resolved: Failed to read artifact >>>> descriptor >>>> for org.apache.rat:apache-rat-plugin:jar:0.12-SNAPSHOT: Could not >>>> transfer >>>> artifact org.apache.rat:apache-rat-plugin:pom:0.12-SNAPSHOT from/to >>>> apache-snapshots ( >>>> https://repository.apache.org/content/groups/snapshots): >>>> java.lang.RuntimeException: Could not generate DH keypair: Prime size >>>> must >>>> be multiple of 64, and can only range from 512 to 1024 (inclusive) -> >>>> [Help >>>> 1] >>>> [ERROR] >>>> [ERROR] To see the full stack trace of the errors, re-run Maven with the >>>> -e switch. >>>> [ERROR] Re-run Maven using the -X switch to enable full debug logging. >>>> [ERROR] >>>> [ERROR] For more information about the errors and possible solutions, >>>> please read the following articles: >>>> [ERROR] [Help 1] >>>> >>>> http://cwiki.apache.org/confluence/display/MAVEN/PluginResolutionException >>>> >>>> >>>> Download and unpack the tar.gz results in the same error... >>>> >>>> Server runs Ubuntu 14.04 (LTS) >>>> >>>> mvn --version >>>> Apache Maven 3.2.1 (ea8b2b07643dbb1b84b6d16e1f08391b666bc1e9; >>>> 2014-02-14T18:37:52+01:00) >>>> Maven home: /usr/share/maven3 >>>> Java version: 1.7.0_60, vendor: Oracle Corporation >>>> Java home: /usr/lib/jvm/jdk1.7.0_60/jre >>>> Default locale: de_DE, platform encoding: UTF-8 >>>> OS name: "linux", version: "3.13.0-74-lowlatency", arch: "amd64", >>>> family: >>>> "unix" >>>> >>>> >>>> any Ideas? >>>> >>>> Greetings Peter >>>> >>>> >>>> Am 03.03.2016 um 06:39 schrieb Maxim Solodovnik: >>>> >>>> Hello Peter, >>>>> >>>>> what were your steps? >>>>> Surprisingly you are building "Openmeetings 4.0.0-SNAPSHOT" (not 3.1.0) >>>>> this particular error "Could not generate DH keypair: Prime size must >>>>> be >>>>> multiple of 64, and can only range from 512 to 1024" might be caused by >>>>> corporate proxy server sitting in the middle .... (never saw error like >>>>> this before :( ) >>>>> >>>>> I just tried as follows: >>>>> 1) download >>>>> >>>>> >>>>> https://dist.apache.org/repos/dist/dev/openmeetings/3.1.0/rc1/src/apache-openmeetings-3.1.0-src.tar.gz >>>>> 2) unpack to the new folder >>>>> 3) run "mvn clean install" >>>>> everything seems to work as expected >>>>> >>>>> >>>>> On Wed, Mar 2, 2016 at 3:30 PM, Peter Dähn <da...@vcrp.de> wrote: >>>>> >>>>> Hi Maxim, >>>>> >>>>>> unfortunately I'm unable to build RC1. >>>>>> >>>>>> I got the following error during build: >>>>>> >>>>>> mvn clean install >>>>>> [INFO] Scanning for projects... >>>>>> [INFO] >>>>>> >>>>>> ------------------------------------------------------------------------ >>>>>> [INFO] Reactor Build Order: >>>>>> [INFO] >>>>>> [INFO] Openmeetings >>>>>> [INFO] Openmeetings Util >>>>>> [INFO] Openmeetings DB >>>>>> [INFO] Openmeetings Core >>>>>> [INFO] Openmeetings Install >>>>>> [INFO] Openmeetings Service >>>>>> [INFO] Openmeetings Webservices >>>>>> [INFO] Openmeetings Web >>>>>> [INFO] Openmeetings Flash >>>>>> [INFO] Openmeetings Screen Sharing applet >>>>>> [INFO] Openmeetings Server >>>>>> [INFO] >>>>>> [INFO] Using the builder >>>>>> >>>>>> >>>>>> org.apache.maven.lifecycle.internal.builder.singlethreaded.SingleThreadedBuilder >>>>>> with a thread count of 1 >>>>>> [INFO] >>>>>> [INFO] >>>>>> >>>>>> ------------------------------------------------------------------------ >>>>>> [INFO] Building Openmeetings 4.0.0-SNAPSHOT >>>>>> [INFO] >>>>>> >>>>>> ------------------------------------------------------------------------ >>>>>> Downloading: >>>>>> >>>>>> >>>>>> https://repository.apache.org/content/groups/snapshots/org/apache/rat/apache-rat-plugin/0.12-SNAPSHOT/maven-metadata.xml >>>>>> [WARNING] Could not transfer metadata >>>>>> org.apache.rat:apache-rat-plugin:0.12-SNAPSHOT/maven-metadata.xml >>>>>> from/to >>>>>> apache-snapshots ( >>>>>> https://repository.apache.org/content/groups/snapshots >>>>>> ): >>>>>> java.lang.RuntimeException: Could not generate DH keypair >>>>>> [WARNING] Failure to transfer >>>>>> org.apache.rat:apache-rat-plugin:0.12-SNAPSHOT/maven-metadata.xml from >>>>>> https://repository.apache.org/content/groups/snapshots was cached in >>>>>> the >>>>>> local repository, resolution will not be reattempted until the update >>>>>> interval of apache-snapshots has elapsed or updates are forced. >>>>>> Original >>>>>> error: Could not transfer metadata >>>>>> org.apache.rat:apache-rat-plugin:0.12-SNAPSHOT/maven-metadata.xml >>>>>> from/to >>>>>> apache-snapshots ( >>>>>> https://repository.apache.org/content/groups/snapshots >>>>>> ): >>>>>> java.lang.RuntimeException: Could not generate DH keypair >>>>>> Downloading: >>>>>> >>>>>> >>>>>> https://repository.apache.org/content/groups/snapshots/org/apache/rat/apache-rat-plugin/0.12-SNAPSHOT/apache-rat-plugin-0.12-SNAPSHOT.pom >>>>>> [INFO] >>>>>> >>>>>> ------------------------------------------------------------------------ >>>>>> [INFO] Reactor Summary: >>>>>> [INFO] >>>>>> [INFO] Openmeetings ...................................... FAILURE [ >>>>>> 2.059 s] >>>>>> [INFO] Openmeetings Util ................................. SKIPPED >>>>>> [INFO] Openmeetings DB ................................... SKIPPED >>>>>> [INFO] Openmeetings Core ................................. SKIPPED >>>>>> [INFO] Openmeetings Install .............................. SKIPPED >>>>>> [INFO] Openmeetings Service .............................. SKIPPED >>>>>> [INFO] Openmeetings Webservices .......................... SKIPPED >>>>>> [INFO] Openmeetings Web .................................. SKIPPED >>>>>> [INFO] Openmeetings Flash ................................ SKIPPED >>>>>> [INFO] Openmeetings Screen Sharing applet ................ SKIPPED >>>>>> [INFO] Openmeetings Server ............................... SKIPPED >>>>>> [INFO] >>>>>> >>>>>> ------------------------------------------------------------------------ >>>>>> [INFO] BUILD FAILURE >>>>>> [INFO] >>>>>> >>>>>> ------------------------------------------------------------------------ >>>>>> [INFO] Total time: 4.186 s >>>>>> [INFO] Finished at: 2016-03-02T10:30:47+01:00 >>>>>> [INFO] Final Memory: 14M/163M >>>>>> [INFO] >>>>>> >>>>>> ------------------------------------------------------------------------ >>>>>> [ERROR] Plugin org.apache.rat:apache-rat-plugin:0.12-SNAPSHOT or one >>>>>> of >>>>>> its dependencies could not be resolved: Failed to read artifact >>>>>> descriptor >>>>>> for org.apache.rat:apache-rat-plugin:jar:0.12-SNAPSHOT: Could not >>>>>> transfer >>>>>> artifact org.apache.rat:apache-rat-plugin:pom:0.12-SNAPSHOT from/to >>>>>> apache-snapshots ( >>>>>> https://repository.apache.org/content/groups/snapshots >>>>>> ): >>>>>> java.lang.RuntimeException: Could not generate DH keypair: Prime size >>>>>> must >>>>>> be multiple of 64, and can only range from 512 to 1024 (inclusive) -> >>>>>> [Help >>>>>> 1] >>>>>> [ERROR] >>>>>> [ERROR] To see the full stack trace of the errors, re-run Maven with >>>>>> the >>>>>> -e switch. >>>>>> [ERROR] Re-run Maven using the -X switch to enable full debug logging. >>>>>> [ERROR] >>>>>> [ERROR] For more information about the errors and possible solutions, >>>>>> please read the following articles: >>>>>> [ERROR] [Help 1] >>>>>> >>>>>> >>>>>> http://cwiki.apache.org/confluence/display/MAVEN/PluginResolutionException >>>>>> >>>>>> What went wrong? Any Ideas? >>>>>> >>>>>> Greetings Peter >>>>>> >>>>>> >>>>>> Am 01.03.2016 um 19:12 schrieb Maxim Solodovnik: >>>>>> >>>>>> Dear OpenMeetings Community, >>>>>> >>>>>>> I would like to start a vote about releasing Apache OpenMeetings >>>>>>> 3.1.0 >>>>>>> RC1 >>>>>>> >>>>>>> SOAP/REST API was implemented using CXF (Axis2 was removed from the >>>>>>> stack) >>>>>>> Build system is now maven (not ant), SWF client is improved >>>>>>> >>>>>>> Main changes are covered in the >>>>>>> Readme: >>>>>>> >>>>>>> >>>>>>> >>>>>>> https://svn.apache.org/repos/asf/openmeetings/application/tags/3.1.0RC1/README >>>>>>> >>>>>>> Full Changelog: >>>>>>> >>>>>>> >>>>>>> >>>>>>> https://svn.apache.org/repos/asf/openmeetings/application/tags/3.1.0RC1/CHANGELOG >>>>>>> >>>>>>> Release artifacts: >>>>>>> https://dist.apache.org/repos/dist/dev/openmeetings/3.1.0/rc1/ >>>>>>> >>>>>>> Tag: >>>>>>> >>>>>>> https://svn.apache.org/repos/asf/openmeetings/application/tags/3.1.0RC1/ >>>>>>> >>>>>>> PGP release keys (signed using C467526E): >>>>>>> https://dist.apache.org/repos/dist/dev/openmeetings/3.1.0/rc1/KEYS >>>>>>> >>>>>>> Changes: 77 issues were fixed ( >>>>>>> >>>>>>> >>>>>>> >>>>>>> https://issues.apache.org/jira/secure/ReleaseNote.jspa?version=12333397&projectId=12312720 >>>>>>> ): >>>>>>> >>>>>>> Vote will be open until Saturday 2016/03/05 23:59 GMT. >>>>>>> >>>>>>> [ ] +1 approve >>>>>>> [ ] +0 no opinion >>>>>>> [ ] -1 disapprove (and reason why) >>>>>>> >>>>>>> My vote is +1. >>>>>>> >>>>>>> >>>>>>> >>>>>>> > > > -- > WBR > Maxim aka solomax > -- WBR Maxim aka solomax
