2505174 - "Cannot lock !J2EE_CONFIGURATION_MANAGER" - AS Java instance hangs in "Startup framework"

The J2EE engine is hanging in phase "Starting framework" when it tries to start Configuration Manager.

In default trace you can see similar entries like:

Caused by: com.sap.engine.frame.core.locking.LockException: Cannot lock [I2017061721073219600000<hostname>....................3194250, !J2EE_CONFIGURATION_MANAGER, ed1b8cca/@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@, X]; it is in use by another owner. The lock collision occurred with user <internal>.
  at com.sap.engine.core.locking.impl3.LockingManagerImpl.lockInternal(LockingManagerImpl.java:168)
  at com.sap.engine.core.locking.AbstractLockingManagerImpl.lock(AbstractLockingManagerImpl.java:466)
  at com.sap.engine.core.locking.AbstractLockingManagerImpl.lock(AbstractLockingManagerImpl.java:488)
  at com.sap.engine.core.locking.ServerInternalLockingImpl.lock(ServerInternalLockingImpl.java:42)
  at com.sap.engine.core.configuration.impl.ServerEnvironment.addLock(ServerEnvironment.java:348)
  at com.sap.engine.core.configuration.impl.ServerEnvironment.lockConfiguration(ServerEnvironment.java:531)
  ... 14 more

SAP NetWeaver 7.1
SAP NetWeaver 7.2
SAP NetWeaver 7.3
SAP NetWeaver 7.3 EHP1
SAP NetWeaver 7.4
SAP NetWeaver 7.5

Locking, lock, locks, enqueue, enq, enq lock, enq locks, enqueue locks, enq server, enqueue server, starting framework, fails to start, instance, SAP MMC, shell, shell administration, telnet, !J2EE_CONFIG_MGR_INTERNAL, !J2EE_CONFIGURATION_MANAGER, J2EE_CONFIGURATION_MANAGER, J2EE_CONFIG_MGR_INTERNAL, central instance, SHOW_LOCKS, REMOVE_LOCK, LockException, Cannot lock, Configuration Manager , KBA , BC-JAS-COR , Enterprise Runtime, Core J2EE Framework , BC-JAS-SF , Startup Framework , BC-CST-EQ , Enqueue , Problem