Updating from 1.9.2-1 to 1.9.2-2 doesn't help, downgrading to stable 1.8.10-6+deb8u1 does.
On 1.9.2-2 get same error: (gdb) bt #0 strlen () at ../sysdeps/x86_64/strlen.S:106 #1 0x00007fe07c0da786 in svn_path_join_internal (base=0x0, component=0x7fe07d060148 "src/main/java/net/lombard/rsnetlombard/domain/Bail.java", pool=0x7fe07d060028) at /build/subversion-BTY2MX/subversion-1.9.2/subversion/libsvn_subr/path.c:115 #2 0x00007fe07c0dba9f in svn_path_url_add_component2 (url=<optimized out>, component=<optimized out>, pool=<optimized out>) at /build/subversion-BTY2MX/subversion-1.9.2/subversion/libsvn_subr/path.c:1085 #3 0x00007fe07a75d3f6 in svn_ra_serf__get_file (ra_session=<optimized out>, path=<optimized out>, revision=108, stream=0x7fe07d0616e0, fetched_rev=0x0, props=0x7fe07d0600c8, pool=0x7fe07d060028) at /build/subversion-BTY2MX/subversion-1.9.2/subversion/libsvn_ra_serf/get_file.c:334 #4 0x00007fe07ccdf03c in get_file_from_ra (fb=fb@entry=0x7fe07d0600a0, scratch_pool=scratch_pool@entry=0x7fe07d060028, props_only=0) at /build/subversion-BTY2MX/subversion-1.9.2/subversion/libsvn_client/repos_diff.c:334 #5 0x00007fe07ccdf60b in get_file_from_ra (scratch_pool=<optimized out>, props_only=0, fb=0x7fe07d0600a0) at /build/subversion-BTY2MX/subversion-1.9.2/subversion/libsvn_client/repos_diff.c:958 #6 apply_textdelta (file_baton=0x7fe07d0600a0, base_md5_digest=0x7fe07d0c00a0 "443d586ac513f84d4947c6edcd0cb6ae", pool=<optimized out>, handler=0x7fe07d064128, handler_baton=0x7fe07d064130) at /build/subversion-BTY2MX/subversion-1.9.2/subversion/libsvn_client/repos_diff.c:917 #7 0x00007fe07a76b32b in fetch_for_file (scratch_pool=0x7fe07d0c0028, file=0x7fe07d0640a0) at /build/subversion-BTY2MX/subversion-1.9.2/subversion/libsvn_ra_serf/update.c:1376 #8 update_closed (xes=<optimized out>, baton=<optimized out>, leaving_state=<optimized out>, cdata=<optimized out>, attrs=<optimized out>, scratch_pool=0x7fe07d0c0028) at /build/subversion-BTY2MX/subversion-1.9.2/subversion/libsvn_ra_serf/update.c:2011 #9 0x00007fe07a76fd4d in xml_cb_end (raw_name=<optimized out>, xmlctx=0x7fe07d0f40f8) at /build/subversion-BTY2MX/subversion-1.9.2/subversion/libsvn_ra_serf/xml.c:832 #10 expat_end (userData=0x7fe07d0f4188, raw_name=<optimized out>) at /build/subversion-BTY2MX/subversion-1.9.2/subversion/libsvn_ra_serf/xml.c:965 #11 0x00007fe07a314d53 in ?? () from /lib/x86_64-linux-gnu/libexpat.so.1 #12 0x00007fe07a31566c in ?? () from /lib/x86_64-linux-gnu/libexpat.so.1 #13 0x00007fe07a3139b9 in ?? () from /lib/x86_64-linux-gnu/libexpat.so.1 #14 0x00007fe07a314135 in ?? () from /lib/x86_64-linux-gnu/libexpat.so.1 #15 0x00007fe07a3176d0 in XML_ParseBuffer () from /lib/x86_64-linux-gnu/libexpat.so.1 #16 0x00007fe07a77077e in parse_xml (ectx=0x7fe07d0f4188, ectx=0x7fe07d0f4188, is_final=0, len=<optimized out>, data=<optimized out>) at /build/subversion-BTY2MX/subversion-1.9.2/subversion/libsvn_ra_serf/xml.c:893 #17 expat_response_handler (request=<optimized out>, response=0x7fe07d0e4138, baton=0x7fe07d0f4188, scratch_pool=<optimized out>) at /build/subversion-BTY2MX/subversion-1.9.2/subversion/libsvn_ra_serf/xml.c:1061 #18 0x00007fe07a76c10d in process_buffer (request=request@entry=0x7fe07d09f038, data=<optimized out>, len=<optimized out>, at_eof=at_eof@entry=0, alloc=0x7fe07d0c40a0, pool=0x7fe07d09a028, udb=0x7fe07d0f4298, udb=0x7fe07d0f4298) at /build/subversion-BTY2MX/subversion-1.9.2/subversion/libsvn_ra_serf/update.c:2400 #19 0x00007fe07a76c2cf in update_delay_handler (request=0x7fe07d09f038, response=0x7fe07d0e37b8, handler_baton=0x7fe07d0f4298, scratch_pool=0x7fe07d0ba028) at /build/subversion-BTY2MX/subversion-1.9.2/subversion/libsvn_ra_serf/update.c:2460 #20 0x00007fe07a76e930 in handle_response (scratch_pool=0x7fe07d0ba028, serf_status=0x7ffe82160d34, handler=0x7fe07d0f41b8, response=<optimized out>, request=0x7fe07d09f038) ---Type <return> to continue, or q <return> to quit--- at /build/subversion-BTY2MX/subversion-1.9.2/subversion/libsvn_ra_serf/util.c:1415 #21 handle_response_cb (request=0x7fe07d09f038, response=0x7fe07d0e37b8, baton=0x7fe07d0f41b8, response_pool=0x7fe07d0ba028) at /build/subversion-BTY2MX/subversion-1.9.2/subversion/libsvn_ra_serf/util.c:1449 #22 0x00007fe0785b545e in serf.process_connection () from /usr/lib/x86_64-linux-gnu/libserf-1.so.1 #23 0x00007fe0785b3cee in serf_event_trigger () from /usr/lib/x86_64-linux-gnu/libserf-1.so.1 #24 0x00007fe0785b3e0c in serf_context_run () from /usr/lib/x86_64-linux-gnu/libserf-1.so.1 #25 0x00007fe07a76de61 in svn_ra_serf__context_run (sess=sess@entry=0x7fe07d0f6248, waittime_left=waittime_left@entry=0x7ffe82160f90, scratch_pool=scratch_pool@entry=0x7fe07d0bc028) at /build/subversion-BTY2MX/subversion-1.9.2/subversion/libsvn_ra_serf/util.c:866 #26 0x00007fe07a76c6b1 in process_editor_report (scratch_pool=0x7fe07d0f4028, handler=0x7fe07d0f41b8, ctx=0x7fe07d0ac308) at /build/subversion-BTY2MX/subversion-1.9.2/subversion/libsvn_ra_serf/update.c:2614 #27 finish_report (report_baton=0x7fe07d0ac308, pool=<optimized out>) at /build/subversion-BTY2MX/subversion-1.9.2/subversion/libsvn_ra_serf/update.c:2682 #28 0x00007fe07ccb73a6 in diff_repos_repos (root_is_dir=0x0, scratch_pool=0x7fe07d0fc028, result_pool=0x7fe07d0fc028, ctx=0x7fe07d0faf20, diff_processor=0x7fe07d0fc140, text_deltas=1, ignore_ancestry=1, depth=svn_depth_unknown, peg_revision=0x7ffe821613a0, revision2=0x7ffe821610a8, revision1=0x7ffe82161200, path_or_url2=0x7fe07c137418 "", path_or_url1=0x2 <error: Cannot access memory at address 0x2>, ddi=0x7ffe82161200, root_relpath=<optimized out>) at /build/subversion-BTY2MX/subversion-1.9.2/subversion/libsvn_client/diff.c:1848 #29 do_diff (root_relpath=root_relpath@entry=0x0, ddi=ddi@entry=0x7ffe82161200, path_or_url1=path_or_url1@entry=0x7fe07c137418 "", path_or_url2=path_or_url2@entry=0x7fe07c137418 "", revision1=revision1@entry=0x7ffe82161558, revision2=revision2@entry=0x7ffe82161568, peg_revision=0x7ffe821613a0, depth=svn_depth_unknown, ignore_ancestry=1, changelists=0x7fe07d10c628, text_deltas=1, diff_processor=0x7fe07d0fc140, ctx=0x7fe07d0faf20, result_pool=0x7fe07d0fc028, scratch_pool=0x7fe07d0fc028, root_is_dir=0x0) at /build/subversion-BTY2MX/subversion-1.9.2/subversion/libsvn_client/diff.c:2170 #30 0x00007fe07ccb813e in svn_client_diff_peg6 (options=options@entry=0x0, path_or_url=0x7fe07c137418 "", peg_revision=peg_revision@entry=0x7ffe821613a0, start_revision=start_revision@entry=0x7ffe82161558, end_revision=end_revision@entry=0x7ffe82161568, relative_to_dir=relative_to_dir@entry=0x0, depth=svn_depth_unknown, ignore_ancestry=<optimized out>, no_diff_added=0, no_diff_deleted=0, show_copies_as_adds=0, ignore_content_type=0, ignore_properties=0, properties_only=0, use_git_diff_format=0, header_encoding=0x1 <error: Cannot access memory at address 0x1>, outstream=0x7fe07d0fbc68, errstream=0x7fe07d0fbd48, changelists=0x7fe07d10c628, ctx=0x7fe07d0faf20, pool=0x7fe07d0fc028) at /build/subversion-BTY2MX/subversion-1.9.2/subversion/libsvn_client/diff.c:2499 #31 0x000000000040da38 in svn_cl__diff (os=<optimized out>, baton=<optimized out>, pool=0x7fe07d10c028) at /build/subversion-BTY2MX/subversion-1.9.2/subversion/svn/diff-cmd.c:462 #32 0x000000000041e4bd in sub_main (exit_code=exit_code@entry=0x7ffe82161784, argc=argc@entry=4, argv=argv@entry=0x7ffe82161888, pool=pool@entry=0x7fe07d10c028) at /build/subversion-BTY2MX/subversion-1.9.2/subversion/svn/svn.c:3041 #33 0x00000000004073a3 in main (argc=4, argv=0x7ffe82161888) at /build/subversion-BTY2MX/subversion-1.9.2/subversion/svn/svn.c:3126 (gdb) q -- Best regards!