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via Oracle Community by 807546, 1 year ago
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java.lang.NullPointerException: 	at remulac.BridgeColl.TreeNode.hashCode(TreeNode.java:147)	at java.util.Hashtable.put(Hashtable.java:394)	at java.util.Hashtable.readObject(Hashtable.java:838)	at sun.reflect.GeneratedMethodAccessor2.invoke(Unknown Source)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)	at java.lang.reflect.Method.invoke(Method.java:324)	at java.io.ObjectStreamClass.invokeReadObject(ObjectStreamClass.java:824)	at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1746)	at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1646)	at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1274)	at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1845)	at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1769)	at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1646)	at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1274)	at java.io.ObjectInputStream.readArray(ObjectInputStream.java:1603)	at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1271)	at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1845)	at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1769)	at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1646)	at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1274)	at java.io.ObjectInputStream.readArray(ObjectInputStream.java:1603)	at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1271)	at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1845)	at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1769)	at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1646)	at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1274)	at java.io.ObjectInputStream.readArray(ObjectInputStream.java:1603)	at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1271)	at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1845)	at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1769)	at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1646)	at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1274)	at java.io.ObjectInputStream.readObject(ObjectInputStream.java:324)	at java.util.Hashtable.readObject(Hashtable.java:836)	at sun.reflect.GeneratedMethodAccessor2.invoke(Unknown Source)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)	at java.lang.reflect.Method.invoke(Method.java:324)	at java.io.ObjectStreamClass.invokeReadObject(ObjectStreamClass.java:824)	at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1746)	at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1646)	at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1274)	at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1845)	at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1769)	at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1646)	at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1274)	at java.io.ObjectInputStream.readArray(ObjectInputStream.java:1603)	at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1271)	at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1845)	at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1769)	at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1646)	at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1274)	at java.io.ObjectInputStream.readObject(ObjectInputStream.java:324)	at remulac.BridgeColl.Topology.(Topology.java:1504)	at remulac.BridgeColl.BridgeCollector.(BridgeCollector.java:40)	at remulac.BridgeColl.BridgeCollector.main(BridgeCollector.java:221)