Hello, There is some work being done to support Java 9/10, but at this time NiFi currently requires Java 8.
There is an issue when using Java 9/10 where some javax.xml classes are now part of the JDK, but before NiFi had to bundle them, so it creates conflicting classes. Thanks, Bryan > On May 30, 2018, at 7:20 AM, Saip, Alexander (NIH/CC/BTRIS) [C] > <[email protected]> wrote: > > Hello, > > We have recently tried to upgrade the development instance of NiFi running on > Windows 2012 from 1.1.1 to 1.6.0, following the process described here > <https://cwiki.apache.org/confluence/display/NIFI/1.x.0+to+1.x.0+Upgrade>. > Both versions are very much vanilla in terms of configuration (no > authentications), but v.1.6.0 fails to start – the content of the > nifi-app.log file follows: > > 2018-05-25 14:57:14,032 INFO [main] org.eclipse.jetty.util.log Logging > initialized @17556ms to org.eclipse.jetty.util.log.Slf4jLog > 2018-05-25 14:57:14,404 ERROR [main] org.apache.nifi.NiFi Failure to launch > NiFi due to java.util.ServiceConfigurationError: > org.apache.nifi.authorization.UserGroupProvider: > org.apache.nifi.authorization.FileUserGroupProvider Unable to get public > no-arg constructor > java.util.ServiceConfigurationError: > org.apache.nifi.authorization.UserGroupProvider: > org.apache.nifi.authorization.FileUserGroupProvider Unable to get public > no-arg constructor > at java.base/java.util.ServiceLoader.fail(Unknown Source) > at java.base/java.util.ServiceLoader.getConstructor(Unknown Source) > at java.base/java.util.ServiceLoader.access$1000(Unknown Source) > at > java.base/java.util.ServiceLoader$LazyClassPathLookupIterator.hasNextService(Unknown > Source) > at > java.base/java.util.ServiceLoader$LazyClassPathLookupIterator.hasNext(Unknown > Source) > at java.base/java.util.ServiceLoader$2.hasNext(Unknown Source) > at java.base/java.util.ServiceLoader$3.hasNext(Unknown Source) > at > org.apache.nifi.nar.ExtensionManager.loadExtensions(ExtensionManager.java:148) > at > org.apache.nifi.nar.ExtensionManager.discoverExtensions(ExtensionManager.java:123) > at org.apache.nifi.web.server.JettyServer.start(JettyServer.java:771) > at org.apache.nifi.NiFi.<init>(NiFi.java:157) > at org.apache.nifi.NiFi.<init>(NiFi.java:71) > at org.apache.nifi.NiFi.main(NiFi.java:292) > Caused by: java.lang.NoClassDefFoundError: javax/xml/bind/JAXBException > at java.base/java.lang.Class.getDeclaredConstructors0(Native Method) > at java.base/java.lang.Class.privateGetDeclaredConstructors(Unknown > Source) > at java.base/java.lang.Class.getConstructor0(Unknown Source) > at java.base/java.lang.Class.getConstructor(Unknown Source) > at java.base/java.util.ServiceLoader$1.run(Unknown Source) > at java.base/java.util.ServiceLoader$1.run(Unknown Source) > at java.base/java.security.AccessController.doPrivileged(Native Method) > ... 12 common frames omitted > Caused by: java.lang.ClassNotFoundException: javax.xml.bind.JAXBException > at java.base/java.net.URLClassLoader.findClass(Unknown Source) > at java.base/java.lang.ClassLoader.loadClass(Unknown Source) > at java.base/java.lang.ClassLoader.loadClass(Unknown Source) > ... 19 common frames omitted > > As for the JVM on that server, here is its version: > > >java -version > java version "10.0.1" 2018-04-17 > Java(TM) SE Runtime Environment 18.3 (build 10.0.1+10) > Java HotSpot(TM) 64-Bit Server VM 18.3 (build 10.0.1+10, mixed mode) > > I have searched this mailing list archive and Google for a clue, but was > unsuccessful so far. > > Thanks in advance, > > Alexander
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