Hi Hemant, the logging framework warning during compile time are maybe a but confusing. We could do them maybe as "scope=provided" Maven dependencies.
The difficulty will be that they are available in the common-lib directory of the Red5 Streaming Server (a version of Tomcat enhanced with the Red5 streaming components). So yeah, I think it's kind of save to say those compile time issues only, low impact. The important bit is that the logging framework during runtime is correct. It might be also that the version of slf4j in the latest Red5 release updated, which might be the next exception in the log. Obviously it might also only work to compile at the moment since there is a valid fallback, so it should be looked at. Thanks, Sebastian 2016-08-07 19:10 GMT+12:00 Coscend@OM <[email protected]>: > Dear Fellow OpenMeetings Developers, > > > > We are getting seemingly harmless Maven compilation warnings in > OpenMeetings > 3.1.2-Snapshot, build # 307. Are these purposeful? Will these be removed > in RC3? > > > > For example, SLF4j Java logging API is missing in the artifact. Hence, the > underlying logging backend may not be determined at runtime if the desired > binding to the classpath and may be the standard Sun Java logging package > java.util.logging, log4j, logback, or tinylog are added by any advanced > users of OpenMeetings. > > > > > > The following files cannot be found in the artefact during scanning step of > compilation. > > slf4j-api-1.7.21.jar > > logback-classic-1.1.7.jar > > logback-core-1.1.7.jar > > red5-server-common-1.0.8-M6.jar > > xmpcore-5.1.2.jar > > derbyLocale_cs.jar > > derbyLocale_de_DE.jar > > and many more. > > > > ============ > > Compilation Log output > > ======== > > Aug 06, 2016 1:55:23 PM org.apache.tomcat.util.scan.StandardJarScanner > scan > > WARNING: Failed to scan > [file:/root/.m2/repository/org/red5/red5-server/1.0.8-M6/ > lib/slf4j-api-1.7.2 > 1.jar] from classloader hierarchy > > java.io.FileNotFoundException: > /root/.m2/repository/org/red5/red5-server/1.0.8-M6/lib/ > slf4j-api-1.7.21.jar > (No such file or directory) > > at java.util.zip.ZipFile.open(Native Method) > > at java.util.zip.ZipFile.<init>(ZipFile.java:215) > > at java.util.zip.ZipFile.<init>(ZipFile.java:145) > > at java.util.jar.JarFile.<init>(JarFile.java:154) > > at java.util.jar.JarFile.<init>(JarFile.java:118) > > at > org.apache.tomcat.util.scan.JarFileUrlJar.<init>(JarFileUrlJar.java:60) > > at > org.apache.tomcat.util.scan.JarFactory.newInstance(JarFactory.java:43) > > at > org.apache.tomcat.util.scan.StandardJarScanner.process( > StandardJarScanner.ja > va:322) > > at > org.apache.tomcat.util.scan.StandardJarScanner.scan( > StandardJarScanner.java: > 272) > > at > org.apache.catalina.startup.ContextConfig.processJarsForWebFragments( > Context > Config.java:1887) > > at > org.apache.catalina.startup.ContextConfig.webConfig( > ContextConfig.java:1127) > > at > org.apache.catalina.startup.ContextConfig.configureStart( > ContextConfig.java: > 779) > > at > org.apache.catalina.startup.ContextConfig.lifecycleEvent( > ContextConfig.java: > 306) > > at > org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent( > LifecycleSuppor > t.java:95) > > at > org.apache.catalina.util.LifecycleBase.fireLifecycleEvent( > LifecycleBase.java > :90) > > at > org.apache.catalina.core.StandardContext.startInternal( > StandardContext.java: > 5202) > > at > org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:147) > > at > org.apache.catalina.core.ContainerBase$StartChild.call( > ContainerBase.java:14 > 07) > > at > org.apache.catalina.core.ContainerBase$StartChild.call( > ContainerBase.java:13 > 97) > > at java.util.concurrent.FutureTask.run(FutureTask.java:262) > > at > java.util.concurrent.ThreadPoolExecutor.runWorker( > ThreadPoolExecutor.java:11 > 45) > > at > java.util.concurrent.ThreadPoolExecutor$Worker.run( > ThreadPoolExecutor.java:6 > 15) > > at java.lang.Thread.run(Thread.java:745) > > > > Aug 06, 2016 1:55:23 PM org.apache.tomcat.util.scan.StandardJarScanner > scan > > WARNING: Failed to scan > [file:/root/.m2/repository/org/red5/red5-server/1.0.8-M6/ > lib/logback-classic > -1.1.7.jar] from classloader hierarchy > > java.io.FileNotFoundException: > /root/.m2/repository/org/red5/red5-server/1.0.8-M6/lib/ > logback-classic-1.1.7 > .jar (No such file or directory) > > . > > Aug 06, 2016 2:01:39 PM org.apache.tomcat.util.scan.StandardJarScanner > scan > > WARNING: Failed to scan > [file:/root/.m2/repository/org/red5/red5-server/1.0.8-M6/ > lib/logback-core-1. > 1.7.jar] from classloader hierarchy > > java.io.FileNotFoundException: > /root/.m2/repository/org/red5/red5-server/1.0.8-M6/lib/ > logback-core-1.1.7.ja > r (No such file or directory) > > . > > Aug 06, 2016 2:01:39 PM org.apache.tomcat.util.scan.StandardJarScanner > scan > > WARNING: Failed to scan > [file:/root/.m2/repository/org/red5/red5-server/1.0.8-M6/ > lib/red5-server-com > mon-1.0.8-M6.jar] from classloader hierarchy > > java.io.FileNotFoundException: > /root/.m2/repository/org/red5/red5-server/1.0.8-M6/lib/red5- > server-common-1. > 0.8-M6.jar (No such file or directory) > > . > > Aug 06, 2016 2:01:39 PM org.apache.tomcat.util.scan.StandardJarScanner > scan > > WARNING: Failed to scan > [file:/root/.m2/repository/com/drewnoakes/metadata- > extractor/2.8.1/xmpcore-5 > .1.2.jar] from classloader hierarchy > > java.io.FileNotFoundException: > /root/.m2/repository/com/drewnoakes/metadata-extractor/ > 2.8.1/xmpcore-5.1.2.j > ar (No such file or directory) > > . > > Aug 06, 2016 2:01:39 PM org.apache.tomcat.util.scan.StandardJarScanner > scan > > WARNING: Failed to scan > [file:/root/.m2/repository/org/apache/derby/derby/10.12. > 1.1/derbyLocale_cs.j > ar] from classloader hierarchy > > java.io.FileNotFoundException: > /root/.m2/repository/org/apache/derby/derby/10.12.1.1/derbyLocale_cs.jar > (No > such file or directory) > > . > > Aug 06, 2016 2:01:39 PM org.apache.tomcat.util.scan.StandardJarScanner > scan > > WARNING: Failed to scan > [file:/root/.m2/repository/org/apache/derby/derby/10.12. > 1.1/derbyLocale_de_D > E.jar] from classloader hierarchy > > java.io.FileNotFoundException: > /root/.m2/repository/org/apache/derby/derby/10.12.1.1/ > derbyLocale_de_DE.jar > (No such file or directory) > > ... > > Aug 06, 2016 2:01:39 PM org.apache.tomcat.util.scan.StandardJarScanner > scan > > WARNING: Failed to scan > [file:/root/.m2/repository/org/apache/derby/derby/10.12. > 1.1/derbyLocale_es.j > ar] from classloader hierarchy > > java.io.FileNotFoundException: > /root/.m2/repository/org/apache/derby/derby/10.12.1.1/derbyLocale_es.jar > (No > such file or directory) > > . > > Aug 06, 2016 2:01:39 PM org.apache.tomcat.util.scan.StandardJarScanner > scan > > WARNING: Failed to scan > [file:/root/.m2/repository/org/apache/derby/derby/10.12. > 1.1/derbyLocale_fr.j > ar] from classloader hierarchy > > java.io.FileNotFoundException: > /root/.m2/repository/org/apache/derby/derby/10.12.1.1/derbyLocale_fr.jar > (No > such file or directory) > > . > > Aug 06, 2016 2:01:39 PM org.apache.tomcat.util.scan.StandardJarScanner > scan > > WARNING: Failed to scan > [file:/root/.m2/repository/org/apache/derby/derby/10.12. > 1.1/derbyLocale_hu.j > ar] from classloader hierarchy > > java.io.FileNotFoundException: > /root/.m2/repository/org/apache/derby/derby/10.12.1.1/derbyLocale_hu.jar > (No > such file or directory) > > . > > Aug 06, 2016 2:01:39 PM org.apache.tomcat.util.scan.StandardJarScanner > scan > > WARNING: Failed to scan > [file:/root/.m2/repository/org/apache/derby/derby/10.12. > 1.1/derbyLocale_it.j > ar] from classloader hierarchy > > java.io.FileNotFoundException: > /root/.m2/repository/org/apache/derby/derby/10.12.1.1/derbyLocale_it.jar > (No > such file or directory) > > . > > Aug 06, 2016 2:01:39 PM org.apache.tomcat.util.scan.StandardJarScanner > scan > > WARNING: Failed to scan > [file:/root/.m2/repository/org/apache/derby/derby/10.12. > 1.1/derbyLocale_ja_J > P.jar] from classloader hierarchy > > java.io.FileNotFoundException: > /root/.m2/repository/org/apache/derby/derby/10.12.1.1/ > derbyLocale_ja_JP.jar > (No such file or directory) > > . > > Aug 06, 2016 2:01:39 PM org.apache.tomcat.util.scan.StandardJarScanner > scan > > WARNING: Failed to scan > [file:/root/.m2/repository/org/apache/derby/derby/10.12. > 1.1/derbyLocale_ko_K > R.jar] from classloader hierarchy > > java.io.FileNotFoundException: > /root/.m2/repository/org/apache/derby/derby/10.12.1.1/ > derbyLocale_ko_KR.jar > (No such file or directory) > > . > > Aug 06, 2016 2:01:39 PM org.apache.tomcat.util.scan.StandardJarScanner > scan > > WARNING: Failed to scan > [file:/root/.m2/repository/org/apache/derby/derby/10.12. > 1.1/derbyLocale_pl.j > ar] from classloader hierarchy > > java.io.FileNotFoundException: > /root/.m2/repository/org/apache/derby/derby/10.12.1.1/derbyLocale_pl.jar > (No > such file or directory) > > . > > Aug 06, 2016 2:01:39 PM org.apache.tomcat.util.scan.StandardJarScanner > scan > > WARNING: Failed to scan > [file:/root/.m2/repository/org/apache/derby/derby/10.12. > 1.1/derbyLocale_pt_B > R.jar] from classloader hierarchy > > java.io.FileNotFoundException: > /root/.m2/repository/org/apache/derby/derby/10.12.1.1/ > derbyLocale_pt_BR.jar > (No such file or directory) > > . > > Aug 06, 2016 2:01:39 PM org.apache.tomcat.util.scan.StandardJarScanner > scan > > WARNING: Failed to scan > [file:/root/.m2/repository/org/apache/derby/derby/10.12. > 1.1/derbyLocale_ru.j > ar] from classloader hierarchy > > java.io.FileNotFoundException: > /root/.m2/repository/org/apache/derby/derby/10.12.1.1/derbyLocale_ru.jar > (No > such file or directory) > > . > > Aug 06, 2016 2:01:39 PM org.apache.tomcat.util.scan.StandardJarScanner > scan > > WARNING: Failed to scan > [file:/root/.m2/repository/org/apache/derby/derby/10.12. > 1.1/derbyLocale_zh_C > N.jar] from classloader hierarchy > > java.io.FileNotFoundException: > /root/.m2/repository/org/apache/derby/derby/10.12.1.1/ > derbyLocale_zh_CN.jar > (No such file or directory) > > . > > Aug 06, 2016 2:01:39 PM org.apache.tomcat.util.scan.StandardJarScanner > scan > > WARNING: Failed to scan > [file:/root/.m2/repository/org/apache/derby/derby/10.12. > 1.1/derbyLocale_zh_T > W.jar] from classloader hierarchy > > java.io.FileNotFoundException: > /root/.m2/repository/org/apache/derby/derby/10.12.1.1/ > derbyLocale_zh_TW.jar > (No such file or directory) > > . > > Aug 06, 2016 2:01:39 PM org.apache.tomcat.util.scan.StandardJarScanner > scan > > WARNING: Failed to scan > [file:/root/.m2/repository/org/apache/derby/derbyclient/1 > 0.12.1.1/derbyLocal > e_cs.jar] from classloader hierarchy > > java.io.FileNotFoundException: > /root/.m2/repository/org/apache/derby/derbyclient/10. > 12.1.1/derbyLocale_cs.j > ar (No such file or directory) > > . > > Aug 06, 2016 2:01:39 PM org.apache.tomcat.util.scan.StandardJarScanner > scan > > WARNING: Failed to scan > [file:/root/.m2/repository/org/apache/derby/derbyclient/1 > 0.12.1.1/derbyLocal > e_de_DE.jar] from classloader hierarchy > > java.io.FileNotFoundException: > /root/.m2/repository/org/apache/derby/derbyclient/10. > 12.1.1/derbyLocale_de_D > E.jar (No such file or directory) > > . > > Aug 06, 2016 2:01:39 PM org.apache.tomcat.util.scan.StandardJarScanner > scan > > WARNING: Failed to scan > [file:/root/.m2/repository/org/apache/derby/derbyclient/1 > 0.12.1.1/derbyLocal > e_es.jar] from classloader hierarchy > > java.io.FileNotFoundException: > /root/.m2/repository/org/apache/derby/derbyclient/10. > 12.1.1/derbyLocale_es.j > ar (No such file or directory) > > . > > Aug 06, 2016 2:01:39 PM org.apache.tomcat.util.scan.StandardJarScanner > scan > > WARNING: Failed to scan > [file:/root/.m2/repository/org/apache/derby/derbyclient/1 > 0.12.1.1/derbyLocal > e_fr.jar] from classloader hierarchy > > java.io.FileNotFoundException: > /root/.m2/repository/org/apache/derby/derbyclient/10. > 12.1.1/derbyLocale_fr.j > ar (No such file or directory) > > . > > Aug 06, 2016 2:01:39 PM org.apache.tomcat.util.scan.StandardJarScanner > scan > > WARNING: Failed to scan > [file:/root/.m2/repository/org/apache/derby/derbyclient/1 > 0.12.1.1/derbyLocal > e_hu.jar] from classloader hierarchy > > java.io.FileNotFoundException: > /root/.m2/repository/org/apache/derby/derbyclient/10. > 12.1.1/derbyLocale_hu.j > ar (No such file or directory) > > . > > Aug 06, 2016 2:01:39 PM org.apache.tomcat.util.scan.StandardJarScanner > scan > > WARNING: Failed to scan > [file:/root/.m2/repository/org/apache/derby/derbyclient/1 > 0.12.1.1/derbyLocal > e_it.jar] from classloader hierarchy > > java.io.FileNotFoundException: > /root/.m2/repository/org/apache/derby/derbyclient/10. > 12.1.1/derbyLocale_it.j > ar (No such file or directory) > > . > > Aug 06, 2016 2:01:39 PM org.apache.tomcat.util.scan.StandardJarScanner > scan > > WARNING: Failed to scan > [file:/root/.m2/repository/org/apache/derby/derbyclient/1 > 0.12.1.1/derbyLocal > e_ja_JP.jar] from classloader hierarchy > > java.io.FileNotFoundException: > /root/.m2/repository/org/apache/derby/derbyclient/10. > 12.1.1/derbyLocale_ja_J > P.jar (No such file or directory) > > . > > Aug 06, 2016 2:01:39 PM org.apache.tomcat.util.scan.StandardJarScanner > scan > > WARNING: Failed to scan > [file:/root/.m2/repository/org/apache/derby/derbyclient/1 > 0.12.1.1/derbyLocal > e_ko_KR.jar] from classloader hierarchy > > java.io.FileNotFoundException: > /root/.m2/repository/org/apache/derby/derbyclient/10. > 12.1.1/derbyLocale_ko_K > R.jar (No such file or directory) > > . > > Aug 06, 2016 2:01:39 PM org.apache.tomcat.util.scan.StandardJarScanner > scan > > WARNING: Failed to scan > [file:/root/.m2/repository/org/apache/derby/derbyclient/1 > 0.12.1.1/derbyLocal > e_pl.jar] from classloader hierarchy > > java.io.FileNotFoundException: > /root/.m2/repository/org/apache/derby/derbyclient/10. > 12.1.1/derbyLocale_pl.j > ar (No such file or directory) > > . > > Aug 06, 2016 2:01:39 PM org.apache.tomcat.util.scan.StandardJarScanner > scan > > WARNING: Failed to scan > [file:/root/.m2/repository/org/apache/derby/derbyclient/1 > 0.12.1.1/derbyLocal > e_pt_BR.jar] from classloader hierarchy > > java.io.FileNotFoundException: > /root/.m2/repository/org/apache/derby/derbyclient/10. > 12.1.1/derbyLocale_pt_B > R.jar (No such file or directory) > > . > > Aug 06, 2016 2:01:39 PM org.apache.tomcat.util.scan.StandardJarScanner > scan > > WARNING: Failed to scan > [file:/root/.m2/repository/org/apache/derby/derbyclient/1 > 0.12.1.1/derbyLocal > e_ru.jar] from classloader hierarchy > > java.io.FileNotFoundException: > /root/.m2/repository/org/apache/derby/derbyclient/10. > 12.1.1/derbyLocale_ru.j > ar (No such file or directory) > > . > > Aug 06, 2016 2:01:39 PM org.apache.tomcat.util.scan.StandardJarScanner > scan > > WARNING: Failed to scan > [file:/root/.m2/repository/org/apache/derby/derbyclient/1 > 0.12.1.1/derbyLocal > e_zh_CN.jar] from classloader hierarchy > > java.io.FileNotFoundException: > /root/.m2/repository/org/apache/derby/derbyclient/10. > 12.1.1/derbyLocale_zh_C > N.jar (No such file or directory) > > . > > Aug 06, 2016 2:01:39 PM org.apache.tomcat.util.scan.StandardJarScanner > scan > > WARNING: Failed to scan > [file:/root/.m2/repository/org/apache/derby/derbyclient/1 > 0.12.1.1/derbyLocal > e_zh_TW.jar] from classloader hierarchy > > java.io.FileNotFoundException: > /root/.m2/repository/org/apache/derby/derbyclient/10. > 12.1.1/derbyLocale_zh_T > W.jar (No such file or directory) > > . > > Aug 06, 2016 2:01:39 PM org.apache.tomcat.util.scan.StandardJarScanner > scan > > WARNING: Failed to scan > [file:/root/.m2/repository/com/sun/xml/bind/jaxb-impl/2. > 2.11/jaxb-core.jar] > from classloader hierarchy > > java.io.FileNotFoundException: > /root/.m2/repository/com/sun/xml/bind/jaxb-impl/2.2.11/jaxb-core.jar (No > such file or directory) > > . > > Aug 06, 2016 2:01:39 PM org.apache.tomcat.util.scan.StandardJarScanner > scan > > WARNING: Failed to scan > [file:/root/.m2/repository/com/sun/xml/bind/jaxb-core/2.2.11/jaxb-api.jar] > from classloader hierarchy > > java.io.FileNotFoundException: > /root/.m2/repository/com/sun/xml/bind/jaxb-core/2.2.11/jaxb-api.jar (No > such > file or directory) > > . > > Aug 06, 2016 2:01:39 PM org.apache.tomcat.util.scan.StandardJarScanner > scan > > WARNING: Failed to scan > [file:/root/.m2/repository/xalan/xalan/2.7.2/xercesImpl.jar] from > classloader hierarchy > > java.io.FileNotFoundException: > /root/.m2/repository/xalan/xalan/2.7.2/xercesImpl.jar (No such file or > directory) > > . > > Aug 06, 2016 2:01:39 PM org.apache.tomcat.util.scan.StandardJarScanner > scan > > WARNING: Failed to scan > [file:/root/.m2/repository/xalan/xalan/2.7.2/xml-apis.jar] from > classloader > hierarchy > > java.io.FileNotFoundException: > /root/.m2/repository/xalan/xalan/2.7.2/xml-apis.jar (No such file or > directory) > > . > > Aug 06, 2016 2:01:39 PM org.apache.tomcat.util.scan.StandardJarScanner > scan > > WARNING: Failed to scan > [file:/root/.m2/repository/xalan/xalan/2.7.2/serializer.jar] from > classloader hierarchy > > java.io.FileNotFoundException: > /root/.m2/repository/xalan/xalan/2.7.2/serializer.jar (No such file or > directory) > > . > > Aug 06, 2016 2:01:39 PM org.apache.tomcat.util.scan.StandardJarScanner > scan > > WARNING: Failed to scan > [file:/root/.m2/repository/xalan/serializer/2.7.2/xml-apis.jar] from > classloader hierarchy > > java.io.FileNotFoundException: > /root/.m2/repository/xalan/serializer/2.7.2/xml-apis.jar (No such file or > directory) > > . > > Aug 06, 2016 2:01:39 PM org.apache.tomcat.util.scan.StandardJarScanner > scan > > WARNING: Failed to scan > [file:/root/.m2/repository/org/apache/derby/derbynet/10.12.1.1/derby.jar] > from classloader hierarchy > > java.io.FileNotFoundException: > /root/.m2/repository/org/apache/derby/derbynet/10.12.1.1/derby.jar (No > such > file or directory) > > > > > > Thank you. > > > > Sincerely, > > > > Hemant K. Sabat > > > > Coscend Communications Solutions > > Web site: <http://www.coscend.com/> www.Coscend.com > > ------------------------------------------------------------------ > > CONFIDENTIALITY NOTICE: See 'Confidentiality Notice Regarding E-mail > Messages from Coscend Communications Solutions' posted at: > <http://www.coscend.com/Terms_and_Conditions.html> > http://www.Coscend.com/Terms_and_Conditions.html > > > > > > > > -- Sebastian Wagner https://twitter.com/#!/dead_lock [email protected]
