CentOS 6でtomcat6を起動すると

SEVERE: Error processing TLD files for context path /examples
java.lang.IllegalArgumentException: URI file:./" is not hierarchical
 at java.io.File.(libgcj.so.10)
 at org.apache.catalina.startup.TldConfig.getJarPaths(TldConfig.java:687)
 at org.apache.catalina.startup.TldConfig.execute(TldConfig.java:281)
 at org.apache.catalina.startup.TldConfig.lifecycleEvent(TldConfig.java:739)
 at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:119)
 at org.apache.catalina.core.StandardContext.start(StandardContext.java:4377)
 at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:791)
 at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:771)
 at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:526)
 at org.apache.catalina.startup.HostConfig.deployWAR(HostConfig.java:905)
 at org.apache.catalina.startup.HostConfig.deployWARs(HostConfig.java:740)
 at org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:500)
 at org.apache.catalina.startup.HostConfig.start(HostConfig.java:1277)
 at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:321)
 at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:119)
 at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1053)
 at org.apache.catalina.core.StandardHost.start(StandardHost.java:722)
 at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1045)
 at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:443)
 at org.apache.catalina.core.StandardService.start(StandardService.java:516)
 at org.apache.catalina.core.StandardServer.start(StandardServer.java:710)
 at org.apache.catalina.startup.Catalina.start(Catalina.java:593)
 at java.lang.reflect.Method.invoke(libgcj.so.10)
 at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:289)
 at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:414)

こんなエラーを吐いてWebアプリが起動できない。SELinuxも無効にしているし何が悪いのか分からない! やばい! どうしよう!

openjdk(1.6.0か1.7.0)を入れてないだけだった。tomcat6を入れただけだとjava-1.5.0-gcjで動かそうとするのね。超つまらない理由だった・・・・。”