Details

    • Type: Bug
    • Status: Closed
    • Priority: Blocker
    • Resolution: Fixed
    • Affects Version/s: 2.0.0
    • Fix Version/s: 2.0.1
    • Component/s: None
    • Security Level: Public
    • Labels:
      None

      Description

      lcb_wait hangs..

      Code:

      lcb_http_request_t htreq;
      lcb_error_t lcb_err;
      lcb_err = lcb_make_http_request(handle->getLcb(),
      this,
      LCB_HTTP_TYPE_VIEW,
      htcmd,
      &htreq);

      if (lcb_err != LCB_SUCCESS)

      { goto GT_ERR; }

      lcb_err = lcb_wait(handle->getLcb());
      printf("Wait returned..\n");

      GDB:

      $45 = {sock = -1275067896, io = 0x7f76b4000208, server = 0x0, instance = 0x4,
      url = 0x7f76ffffffff <Address 0x7f76ffffffff out of bounds>, nurl = 0, url_info = {field_set = 65535,
      port = 65535, field_data = {{off = 0, len = 0},

      {off = 19968, len = 476}

      ,

      {off = 0, len = 0}

      ,

      {off = 65535, len = 65535}

      ,

      {off = 65535, len = 65535}

      ,

      {off = 337, len = 0}

      }}, host = 0x7f76b4000000 " ", port = 0x0,
      path = 0x8000000000 <Address 0x8000000000 out of bounds>, npath = 36, password = 0x7f76b4000b90 "\020",
      method = LCB_HTTP_METHOD_GET, parser = 0x0, parser_settings =

      {on_message_begin = 0x25, on_url = 0x3132312e332e3031, on_header_field = 0x3231313a3830322e, on_header_value = 0x3031, on_headers_complete = 0x25, on_body = 0x3132312e332e3031, on_message_complete = 0x323131003830322e}

      ,
      root_ai = 0x3031, curr_ai = 0x35, event = 0x312f2f3a70747468, chunked = 775106096,
      on_complete = 0x323930383a383032, on_data = 0x746c75616665642f, output =

      {root = 0x0, read_head = 0x35 <Address 0x35 out of bounds>, write_head = 0x3 <Address 0x3 out of bounds>, size = 7, nbytes = 8}

      , input =

      {root = 0x7f76b400e0c0 "", read_head = 0x0, write_head = 0x55 <Address 0x55 out of bounds>, size = 0, nbytes = 0}

      , result =

      {root = 0x0, read_head = 0x0, write_head = 0x0, size = 0, nbytes = 0}

      , command_cookie = 0x0, cancelled = 0,
      completed = 0, headers_list = 0x25, headers = 0x3132312e332e3031, nheaders = 4120855481762722350}
      (gdb) frame 4
      #4 0x00007f76ce7340a3 in lcb_wait (instance=0x1dd9580) at src/wait.c:112
      112 instance->io->v.v0.run_event_loop(instance->io);
      (gdb) print *instance
      $46 = {type = LCB_TYPE_BUCKET, host = "10.3.121.212\000\070\060\071\061", '\000' <repeats 1008 times>,
      port = "8091", '\000' <repeats 28 times>,
      http_uri = 0x1dd14a0 "GET /pools/default/bucketsStreaming/default HTTP/1.1\r\nAuthorization: Basic QWRtaW5pc3RyYXRvcjoxMjM0NTY=\r\n\r\n", n_http_uri_sent = 107, event = 0x1dd8900, vbucket_config = 0x7f76b4003760,
      vbucket_stream = {
      header = 0x1dd7fb0 "HTTP/1.1 200 OK\r\nTransfer-Encoding: chunked\r\nServer: Couchbase Server 2.0.0-1956-rel-enterprise\r\nPragma: no-cache\r\nDate: Sun, 02 Dec 2012 16:58:58 GMT\r\nContent-Type: application/json; charset=utf-8\r\nC"..., input = {
      data = 0x1ddca90 "

      {\"name\":\"default\",\"bucketType\":\"membase\",\"authType\":\"sasl\",\"saslPassword\":\"\",\"proxyPort\":0,\"replicaIndex\":false,\"uri\":\"/pools/default/buckets/default?bucket_uuid=0535828b5b9f231994f876e3b4299956\",\"str"..., size = 4096, avail = 0}

      , chunk_size = 18446744073709551615, chunk = {

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        Activity

        Hide
        mnunberg Mark Nunberg added a comment -

        #0 0x00007ffff69ea475 in *__GI_raise (sig=<optimized out>)
        at ../nptl/sysdeps/unix/sysv/linux/raise.c:64
        #1 0x00007ffff69ed6f0 in *__GI_abort () at abort.c:92
        #2 0x00007ffff74e66f6 in lcb_http_request_destroy (req=0x64e4e0) at src/http.c:39
        #3 0x00007ffff74eef00 in lcb_server_destroy (server=0x620b10) at src/server.c:403
        #4 0x00007ffff74ead8b in lcb_update_serverlist (instance=0x61b2b0)
        at src/instance.c:596
        #5 0x00007ffff74ebaea in vbucket_stream_handler (sock=28, which=2, arg=0x61b2b0)
        at src/instance.c:970
        #6 0x00007ffff5d7cccc in event_base_loop ()
        from /usr/lib/x86_64-linux-gnu/libevent-2.0.so.5
        #7 0x00007ffff4f60537 in lcb_io_run_event_loop (iops=0x61a570)
        at plugins/io/libevent/plugin-libevent.c:320
        #8 0x00007ffff74f269f in lcb_wait (instance=0x61b2b0) at src/wait.c:112
        #9 0x00007ffff7bbe5c9 in CBSdkd::ViewExecutor::runSingleView (
        this=0x7ffff475c710, htcmd=0x7ffff475c5a0) at ViewExecutor.cpp:255
        #10 0x00007ffff7bbe9c0 in CBSdkd::ViewExecutor::executeView (this=0x7ffff475c710,
        cmd=..., out=..., options=..., req=...) at ViewExecutor.cpp:310
        #11 0x00007ffff7bb2c49 in CBSdkd::WorkerDispatch::_process_request (
        this=0x61a0b0, req=..., rs=0x61a480) at IODispatch.cpp:548
        #12 0x00007ffff7bb3574 in CBSdkd::WorkerDispatch::run (this=0x61a0b0)
        at IODispatch.cpp:634
        #13 0x00007ffff7bb0c4a in CBSdkd::new_worker_thread (worker=0x61a0b0)
        at IODispatch.cpp:216
        #14 0x00007ffff7952b50 in start_thread (arg=<optimized out>)
        at pthread_create.c:304
        #15 0x00007ffff6a9070d in clone ()
        at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
        #16 0x0000000000000000 in ?? ()
        (gdb)

        Show
        mnunberg Mark Nunberg added a comment - #0 0x00007ffff69ea475 in *__GI_raise (sig=<optimized out>) at ../nptl/sysdeps/unix/sysv/linux/raise.c:64 #1 0x00007ffff69ed6f0 in *__GI_abort () at abort.c:92 #2 0x00007ffff74e66f6 in lcb_http_request_destroy (req=0x64e4e0) at src/http.c:39 #3 0x00007ffff74eef00 in lcb_server_destroy (server=0x620b10) at src/server.c:403 #4 0x00007ffff74ead8b in lcb_update_serverlist (instance=0x61b2b0) at src/instance.c:596 #5 0x00007ffff74ebaea in vbucket_stream_handler (sock=28, which=2, arg=0x61b2b0) at src/instance.c:970 #6 0x00007ffff5d7cccc in event_base_loop () from /usr/lib/x86_64-linux-gnu/libevent-2.0.so.5 #7 0x00007ffff4f60537 in lcb_io_run_event_loop (iops=0x61a570) at plugins/io/libevent/plugin-libevent.c:320 #8 0x00007ffff74f269f in lcb_wait (instance=0x61b2b0) at src/wait.c:112 #9 0x00007ffff7bbe5c9 in CBSdkd::ViewExecutor::runSingleView ( this=0x7ffff475c710, htcmd=0x7ffff475c5a0) at ViewExecutor.cpp:255 #10 0x00007ffff7bbe9c0 in CBSdkd::ViewExecutor::executeView (this=0x7ffff475c710, cmd=..., out=..., options=..., req=...) at ViewExecutor.cpp:310 #11 0x00007ffff7bb2c49 in CBSdkd::WorkerDispatch::_process_request ( this=0x61a0b0, req=..., rs=0x61a480) at IODispatch.cpp:548 #12 0x00007ffff7bb3574 in CBSdkd::WorkerDispatch::run (this=0x61a0b0) at IODispatch.cpp:634 #13 0x00007ffff7bb0c4a in CBSdkd::new_worker_thread (worker=0x61a0b0) at IODispatch.cpp:216 #14 0x00007ffff7952b50 in start_thread (arg=<optimized out>) at pthread_create.c:304 #15 0x00007ffff6a9070d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112 #16 0x0000000000000000 in ?? () (gdb)
        Hide
        mnunberg Mark Nunberg added a comment -

        ^^^ Request is destroyed and the event loop is not properly stopped..

        Show
        mnunberg Mark Nunberg added a comment - ^^^ Request is destroyed and the event loop is not properly stopped..
        Show
        mnunberg Mark Nunberg added a comment - https://github.com/couchbase/libcouchbase/commit/e37a9fab6d8ae7f556082a339cd8561ec1e93f32

          People

          • Assignee:
            mnunberg Mark Nunberg
            Reporter:
            mnunberg Mark Nunberg
          • Votes:
            0 Vote for this issue
            Watchers:
            0 Start watching this issue

            Dates

            • Created:
              Updated:
              Resolved:

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