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Postgres AssertFailedException Exception

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Hi Team,

 

We are receiving following AssertFailedException exception while executing pgrouting query listed below. Anyone have idea about this exception? Is this known bug? Possible fix?

Server details -

Postgresql 9.3.25

Ubuntu 16.04.6 LTS

Pgrouting 2.6.0

 

2019-12-16 19:31:55 EST Passenger AppPreloader: /var/w...er.com/ViewEngine (forking...) [41329-3] postgres@odw ERROR:  AssertFailedException: p1.tot_cost() == p2.tot_cost() at /build/pgrouting-Prt6v2/pgrouting-2.6.0/include/yen/pgr_ksp.hpp:63

               *** Execution path***

               [bt]/usr/lib/postgresql/9.3/lib/libpgrouting-2.6.so(_Z13get_backtraceB5cxx11v+0x3c) [0x7ff5fd368b7c]

               [bt]/usr/lib/postgresql/9.3/lib/libpgrouting-2.6.so(_ZNK7Pgr_kspIN9pgrouting5graph14Pgr_base_graphIN5boost14adjacency_listINS3_4vecSES5_NS3_11undirectedSENS0_12Basic_vertexENS0_10Basic_edgeENS3_11no_propertyENS3_5listSEEES7_S8_EEE9compPathsclERK4PathSH_+0x2dd) [0x7ff5fd3d2bbd]

               [bt]/usr/lib/postgresql/9.3/lib/libpgrouting-2.6.so(_ZNSt8_Rb_treeI4PathS0_St9_IdentityIS0_EN7Pgr_kspIN9pgrouting5graph14Pgr_base_graphIN5boost14adjacency_listINS7_4vecSES9_NS7_11undirectedSENS4_12Basic_vertexENS4_10Basic_edgeENS7_11no_propertyENS7_5listSEEESB_SC_EEE9compPathsESaIS0_EE16_M_insert_uniqueIRKS0_EESt4pairISt17_Rb_tree_iteratorIS0_EbEOT_+0x4e) [0x7ff5fd3d2dae]

               [bt]/usr/lib/postgresql/9.3/lib/libpgrouting-2.6.so(_ZN7Pgr_kspIN9pgrouting5graph14Pgr_base_graphIN5boost14adjacency_listINS3_4vecSES5_NS3_11undirectedSENS0_12Basic_vertexENS0_10Basic_edgeENS3_11no_propertyENS3_5listSEEES7_S8_EEE11doNextCycleERSC_+0x641) [0x7ff5fd3e2251]

               [bt]/usr/lib/postgresql/9.3/lib/libpgrouting-2.6.so(_ZN7Pgr_kspIN9pgrouting5graph14Pgr_base_graphIN5boost14adjacency_listINS3_4vecSES5_NS3_11undirectedSENS0_12Basic_vertexENS0_10Basic_edgeENS3_11no_propertyENS3_5listSEEES7_S8_EEE3YenERSC_llib+0x2fb) [0x7ff5fd3e288b]

               [bt]/usr/lib/postgresql/9.3/lib/libpgrouting-2.6.so(do_pgr_ksp+0xbd4) [0x7ff5fd3e5f84]

               [bt]/usr/lib/postgresql/9.3/lib/libpgrouting-2.6.so(kshortest_path+0x40e) [0x7ff5fd3ced4e]

               [bt]postgres: postgres odw 10.76.0.185(44748) SELECT(ExecMakeTableFunctionResult+0x19c) [0x55625ab1dcbc]

               [bt]postgres: postgres odw 10.76.0.185(44748) SELECT(+0x1dc116) [0x55625ab31116]

               [bt]postgres: postgres odw 10.76.0.185(44748) SELECT(ExecScan+0x2c9) [0x55625ab1feb9]

               [bt]postgres: postgres odw 10.76.0.185(44748) SELECT(ExecProcNode+0x1a8) [0x55625ab187e8]

               [bt]postgres: postgres odw 10.76.0.185(44748) SELECT(standard_ExecutorRun+0x10e) [0x55625ab15c6e]

               [bt]/usr/lib/postgresql/9.3/lib/pg_stat_statements.so(+0x24a5) [0x7ffa2048a4a5]

               [bt]postgres: postgres odw 10.76.0.185(44748) SELECT(+0x2a8717) [0x55625abfd717]

               [bt]postgres: postgres odw 10.76.0.185(44748) SELECT(PortalRunFetch+0x180) [0x55625abff0a0]

               [bt]postgres: postgres odw 10.76.0.185(44748) SELECT(+0x1e423d) [0x55625ab3923d]

              

2019-12-16 19:31:55 EST Passenger AppPreloader: /var/w...er.com/ViewEngine (forking...) [41329-4] postgres@odw HINT: 

2019-12-16 19:31:55 EST Passenger AppPreloader: /var/w...er.com/ViewEngine (forking...) [41329-5] postgres@odw CONTEXT:  PL/pgSQL function pgr_ksp(text,bigint,bigint,integer,boolean,boolean) line 4 at RETURN QUERY

               PL/pgSQL function nn_candidate_routes_from_and_to_latlon(geometry,geometry[]) line 75 at RETURN QUERY

2019-12-16 19:31:55 EST Passenger AppPreloader: /var/w...er.com/ViewEngine (forking...) [41329-6] postgres@odw STATEMENT: 

                       select st_multi(st_union(geom)) as geom,return_target_seq,path_id,st_length(st_union(st_transform(geom,2163))) as distance

                        from nn_candidate_routes_from_and_to_latlon(st_setsrid(st_makepoint(-117.99466873924484,33.92814775576908),4326), ARRAY(

                       select geom from (

                       select geom, st_distance(st_setsrid(st_makepoint(-117.99466873924484,33.92814775576908),4326),geom)

                       from (

                          select

                        (st_dumppoints((st_transform(st_segmentize(st_transform(wkt_geometry,2163),75),4326)))).geom

                        from (select * from staging_dw_cables where upper(owner) ~ 'OWNED' and start_ne_dw_enclosure_id is not null and end_ne_dw_enclosure_id is not null and pop_cable_tf = true

                        and wkt_geometry && st_transform(st_buffer(st_transform(st_setsrid(st_makepoint(-117.99466873924484,33.92814775576908),4326),2163),50000),4326)

                        order by st_distance(st_setsrid(st_makepoint(-117.99466873924484,33.92814775576908),4326),wkt_geometry) limit 15) cables) sq order by 2 asc limit 15) sq

                        )) where geom is not null group by return_target_seq,path_id order by distance asc limit 25

 

 

Regards,

Prashant

 

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