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https://issues.apache.org/jira/browse/DISPATCH-883?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ganesh Murthy resolved DISPATCH-883.
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Resolution: Fixed
Fix Version/s: 1.1.0
The router recognizes only three data types in the connection properties
1. PN_SYMBOL
2. PN_STRING
3. PN_INTEGER
When a connection is created like this -
{noformat}
self.conn = event.container.connect(self.url, properties= {'client_identifier':
'policy_server'}
{noformat}
the router sees a datatype of PN_BINARY which it does not service.
I added code so that the router does not crash when unsupported data types are
passed in as connection properties.
Ernie, you will have to make the following change to have your code work
{noformat}
self.conn = event.container.connect(self.url, properties=
{u'client_identifier': u'policy_server'}
{noformat}
(notice the 'u' (unicode) in front of the client_identifier and policy_server
> Router crashes when it processes management request for connections
> -------------------------------------------------------------------
>
> Key: DISPATCH-883
> URL: https://issues.apache.org/jira/browse/DISPATCH-883
> Project: Qpid Dispatch
> Issue Type: Bug
> Components: Container
> Affects Versions: 1.0.0
> Reporter: Ernest Allen
> Assignee: Ganesh Murthy
> Fix For: 1.1.0
>
>
> Router crashes when attempting to service a management request.
> When a python client sets its connections properties to a map, then as soon
> as the router receives a management request for the connection info, the
> router will crash.
> If the client sets its connections properties to a string, then there is no
> crash.
> To reproduce:
> - start the router using tests/config-1/A.conf
> - modify the proton example server.py to set a properties map on line 37:
> self.conn = event.container.connect(self.url,
> properties={'client_identifier': 'policy_server'})
> - start the modified proton example: ./server.py -a 0.0.0.0:20000/example
> - all is well until you do a qdstat -b 0.0.0.0:20000 -c
> backtrace:
> Thread 2 "qdrouterd" received signal SIGSEGV, Segmentation fault.
> [Switching to Thread 0x7fffec03b700 (LWP 26782)]
> 0x00007ffff6739766 in strlen () from /lib64/libc.so.6
> Missing separate debuginfos, use: dnf debuginfo-install
> libffi-3.1-12.fc26.x86_64 libwebsockets-2.2.1-1.fc26.x86_64
> openssl-libs-1.1.0f-7.fc26.x86_64 python2-libs-2.7.14-2.fc26.x86_64
> zlib-1.2.11-2.fc26.x86_64
> (gdb) bt
> #0 0x00007ffff6739766 in strlen () from /lib64/libc.so.6
> #1 0x00007ffff7b6f805 in qd_compose_insert_string (field=0x7fffe005cb60,
> value=0x0) at /home/eallen/workspace/qpid-dispatch/src/compose.c:444
> #2 0x00007ffff7b90225 in qdr_connection_insert_column_CT (
> conn=0x7fffd400b620, col=12, body=0x7fffe005cb60, as_map=false)
> at
> /home/eallen/workspace/qpid-dispatch/src/router_core/agent_connection.c:215
> #3 0x00007ffff7b90300 in qdr_agent_write_connection_CT
> (query=0x7fffe0077da0,
> conn=0x7fffd400b620)
> at
> /home/eallen/workspace/qpid-dispatch/src/router_core/agent_connection.c:242
> #4 0x00007ffff7b90449 in qdra_connection_get_first_CT (core=0x92c090,
> query=0x7fffe0077da0, offset=0)
> at
> /home/eallen/workspace/qpid-dispatch/src/router_core/agent_connection.c:284
> #5 0x00007ffff7b8c850 in qdrh_query_get_first_CT (core=0x92c090,
> action=0x7fffe000dfa0, discard=false)
> at /home/eallen/workspace/qpid-dispatch/src/router_core/agent.c:455
> #6 0x00007ffff7b9f86a in router_core_thread (arg=0x92c090)
> at
> /home/eallen/workspace/qpid-dispatch/src/router_core/router_core_thread.c:83
> #7 0x00007ffff74f836d in start_thread () from /lib64/libpthread.so.0
> #8 0x00007ffff67b5e1f in clone () from /lib64/libc.so.6
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