No, it seems that your network connection to the server has problems.

> Am 13.09.2015 um 03:42 schrieb Singleton Chiu <[email protected]>:
> 
> the messages.log:
> 2015-09-12 07:30:19.780+0000 INFO  [o.n.s.r.t.TransactionRegistry]: 
> Transaction with id 1312558 has been automatically rolled back.
> 2015-09-12 07:31:49.779+0000 INFO  [o.n.s.r.t.TransactionRegistry]: 
> Transaction with id 1297137 has been automatically rolled back.
> 2015-09-12 07:33:19.780+0000 INFO  [o.n.s.r.t.TransactionRegistry]: 
> Transaction with id 1277529 has been automatically rolled back.
> 2015-09-12 07:34:49.780+0000 INFO  [o.n.s.r.t.TransactionRegistry]: 
> Transaction with id 1344182 has been automatically rolled back.
> 2015-09-12 07:36:19.780+0000 INFO  [o.n.s.r.t.TransactionRegistry]: 
> Transaction with id 1302838 has been automatically rolled back.
> 2015-09-12 07:37:49.780+0000 INFO  [o.n.s.r.t.TransactionRegistry]: 
> Transaction with id 1309317 has been automatically rolled back.
> 2015-09-12 07:39:19.779+0000 INFO  [o.n.s.r.t.TransactionRegistry]: 
> Transaction with id 1325375 has been automatically rolled back.
> 
> did it help? 
> 
> On Saturday, September 12, 2015 at 11:50:49 PM UTC+8, Michael Hunger wrote:
> Looks like sth on you network
> 
> What is in graph.db/messages.log?
> 
> Von meinem iPhone gesendet
> 
> Am 12.09.2015 um 09:44 schrieb Singleton Chiu <qiux...@ <>gmail.com 
> <http://gmail.com/>>:
> 
>> I'm running v2.2.3 on linux, the server sometimes refuse any connection like 
>> this:
>> 
>> bin/neo4j-shell -port 8474
>> ERROR (-v for expanded information):
>>         error during JRMP connection establishment; nested exception is:
>>         java.net.SocketTimeoutException: Read timed out
>> 
>> My application which using Py2neo also got connection timeout:
>> 
>> [2015-09-12 15:21:06] [INFO] [32094:MainThread] [core:331 commit()] commit
>> [2015-09-12 15:21:06] [INFO] [32094:MainThread] [http:312 send()] > POST 
>> http://10.181.168.86:8474/db/data/transaction/commit 
>> <http://10.181.168.86:8474/db/data/transaction/commit> [122]
>> [2015-09-12 15:21:20] [INFO] [32094:MainThread] [http:306 send()] ~ 
>> Reconnecting (timeout)
>> [2015-09-12 15:21:20] [INFO] [32094:MainThread] [http:312 send()] > POST 
>> http://10.181.168.86:8474/db/data/transaction/commit 
>> <http://10.181.168.86:8474/db/data/transaction/commit> [122]
>> [2015-09-12 15:21:34] [ERROR] [32094:MainThread] [http:168 __init__()] ! 
>> SocketError: timed out 
>> 
>> And the neo4j browser also down.:(
>> 
>> The top info:
>> 28569 mylinuxname  20   0 31.2g  21g(RES) 1.1g S  8.6(cpu) 16.9(mem) 
>> 206:12.73
>> 
>> free -m:
>>              total       used       free     shared    buffers     cached
>> Mem:        129169     127970       1198          0        967      68919
>> 
>> and the console.log:
>> 2015-09-11 15:39:52.306+0000 INFO  [API] Remote interface ready and 
>> available at [http://0.0.0.0:8474/ <http://0.0.0.0:8474/>]
>> 15:24:19.844 [qtp346100719-748140] WARN  org.eclipse.jetty.http.HttpParser - 
>> badMessage: 400 Illegal character 0x0 in state=METHOD in 
>> 'JRMI\x00<<<\x02K>>>b/data/transactio...\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'
>>  for HttpChannelOverHttp@3d2ec258{r=0,c=false,a=IDLE,uri=-}
>> 15:31:49.788 [qtp346100719-164] WARN  org.eclipse.jetty.http.HttpParser - 
>> badMessage: 400 Illegal character 0x0 in state=METHOD in 
>> 'JRMI\x00<<<\x02K>>>b/data/transactio...\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'
>>  for HttpChannelOverHttp@26c4bd8c{r=0,c=false,a=IDLE,uri=-}
>> 15:31:49.818 [qtp346100719-746043] WARN  org.eclipse.jetty.http.HttpParser - 
>> badMessage: 400 Illegal character 0x0 in state=METHOD in 
>> 'JRMI\x00<<<\x02K>>>b/data/transactio...\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'
>>  for HttpChannelOverHttp@68468866{r=0,c=false,a=IDLE,uri=-}
>> 15:36:19.818 [qtp346100719-753367] WARN  org.eclipse.jetty.http.HttpParser - 
>> badMessage: 400 Illegal character 0x0 in state=METHOD in 
>> 'JRMI\x00<<<\x02K>>>b/data/transactio...7ed9\\u4e86\\u5c0' for 
>> HttpChannelOverHttp@1aa7047a{r=0,c=false,a=IDLE,uri=-}
>> 
>> the messages.log:
>> 2015-09-12 07:30:19.780+0000 INFO  [o.n.s.r.t.TransactionRegistry]: 
>> Transaction with id 1312558 has been automatically rolled back.
>> 2015-09-12 07:31:49.779+0000 INFO  [o.n.s.r.t.TransactionRegistry]: 
>> Transaction with id 1297137 has been automatically rolled back.
>> 2015-09-12 07:33:19.780+0000 INFO  [o.n.s.r.t.TransactionRegistry]: 
>> Transaction with id 1277529 has been automatically rolled back.
>> 2015-09-12 07:34:49.780+0000 INFO  [o.n.s.r.t.TransactionRegistry]: 
>> Transaction with id 1344182 has been automatically rolled back.
>> 2015-09-12 07:36:19.780+0000 INFO  [o.n.s.r.t.TransactionRegistry]: 
>> Transaction with id 1302838 has been automatically rolled back.
>> 2015-09-12 07:37:49.780+0000 INFO  [o.n.s.r.t.TransactionRegistry]: 
>> Transaction with id 1309317 has been automatically rolled back.
>> 2015-09-12 07:39:19.779+0000 INFO  [o.n.s.r.t.TransactionRegistry]: 
>> Transaction with id 1325375 has been automatically rolled back.
>> 
>> If I restart the server can solve this problem, but I don't want to always 
>> restart it, 
>> Can u help me? Thanks a lot!
>>  
>> 
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