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Attempt to invoke virtual method 'void org.apache.http.impl.conn.tsccm.AbstractConnPool.shutdown()' on a null object reference
java.lang.NullPointerException: Attempt to invoke virtual method 'void org.apache.http.impl.conn.tsccm.AbstractConnPool.shutdown()' on a null object reference	at org.apache.http.impl.conn.tsccm.ThreadSafeClientConnManager.shutdown(ThreadSafeClientConnManager.java:261)	at org.apache.http.impl.conn.tsccm.ThreadSafeClientConnManager.finalize(ThreadSafeClientConnManager.java:110)	at java.lang.Daemons$FinalizerDaemon.doFinalize(Daemons.java:191)	at java.lang.Daemons$FinalizerDaemon.run(Daemons.java:174)	at java.lang.Thread.run(Thread.java:818)