After applying the 10.7 Hotfix 49 it was possible to start the EM with the output:
11/05/19 08:21:20.533 AM WET [INFO] [main] [Manager.ServerSocketFactory] Created Server Socket Factory: com.wily.jip.server.ext.DefaultServerSocketFactory
11/05/19 08:21:20.557 AM WET [ERROR] [main] [Manager] The EM failed to start. null
when DEBUG logging was enabled further detail was available
11/05/19 08:24:02.675 AM WET [DEBUG] [main] [Manager] Error starting up EM
com.wily.introscope.server.enterprise.EnterpriseManagerCannotStartException: An error occurred while trying to start Isengard.
at com.wily.introscope.server.enterprise.EnterpriseServer.doStart(EnterpriseServer.java:424)
at com.wily.util.ALifeCycle.start(ALifeCycle.java:86)
at com.wily.introscope.server.enterprise.EnterpriseServer.<init>(EnterpriseServer.java:330)
at com.wily.introscope.server.enterprise.EnterpriseServer.<init>(EnterpriseServer.java:309)
at com.wily.introscope.server.enterprise.EnterpriseServer.start(EnterpriseServer.java:1616)
at com.wily.introscope.em.internal.Activator.startEM(Activator.java:119)
at com.wily.introscope.em.internal.Application.start(Application.java:27)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:193)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:110)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:79)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:386)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:179)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:549)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:504)
at org.eclipse.equinox.launcher.Main.run(Main.java:1236)
at org.eclipse.equinox.launcher.Main.main(Main.java:1212)
at org.eclipse.core.launcher.Main.main(Main.java:30)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at com.zerog.lax.LAX.launch(Unknown Source)
at com.zerog.lax.LAX.main(Unknown Source)
Caused by: java.lang.ExceptionInInitializerError
at org.rocksdb.Options.<clinit>(Options.java:21)
at com.wily.introscope.server.enterprise.entity.rocksdb.RocksDBSystem.<init>(RocksDBSystem.java:50)
at com.wily.introscope.server.enterprise.entity.rocksdb.RocksDBEntityImpl.<init>(RocksDBEntityImpl.java:36)
at com.wily.introscope.server.enterprise.EnterpriseServer.initialize(EnterpriseServer.java:597)
at com.wily.introscope.server.enterprise.EnterpriseServer.doStart(EnterpriseServer.java:387)
... 26 more
Caused by: java.lang.RuntimeException: Unable to load the RocksDB shared libraryjava.io.IOException: No such file or directory
at org.rocksdb.RocksDB.loadLibrary(RocksDB.java:51)
at org.rocksdb.RocksDB.<clinit>(RocksDB.java:23)
... 31 more
Release : 10.7.0
Component : Introscope
Clearing the Enterprise manager cache as per the procedure described in the following KB article resolved the problem
https://knowledge.broadcom.com/external/article?articleId=100299