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FlexTable UDF's broken (Failure in UDx RPC call InvokeSetExecContext(): failed to map segment from s
I'm attempting to use a Flex table in Vertica 7 community edition (although we currently have a demo Enterprise license) and running into this error that I can't dig up any info on:
Here is an example of me trying to follow along (but with my own data) showing the errors I'm getting. I tossed in a few exploratory queries based on other threads I read too.
What's my next step here? The os is CentOS6.5 x86_64. This was a fresh install at version 7 and has never been upgraded from any other version.
Here is an example of me trying to follow along (but with my own data) showing the errors I'm getting. I tossed in a few exploratory queries based on other threads I read too.
[root@dw01 ~]# su verticadba - [verticadba@dw01 root]# vsql Password: Welcome to vsql, the Vertica Analytic Database interactive terminal. Type: \h or \? for help with vsql commands \g or terminate with semicolon to execute query \q to quit verticadba=> \dt ck.tracking_events_flex No matching relations found. verticadba=> create flex table ck.tracking_events_flex(); CREATE TABLE verticadba=> \dt ck.tracking_events_flex List of tables Schema | Name | Kind | Owner | Comment --------+----------------------+-------+------------+--------- ck | tracking_events_flex | table | verticadba | (1 row) verticadba=> \d ck.tracking_events_flex List of Fields by Tables Schema | Table | Column | Type | Size | Default | Not Null | Primary Key | Foreign Key --------+----------------------+--------------+------------------------+--------+---------+----------+-------------+------------- ck | tracking_events_flex | __identity__ | int | 8 | | t | f | ck | tracking_events_flex | __raw__ | long varbinary(130000) | 130000 | | t | f | (2 rows) verticadba=> copy ck.tracking_events_flex from '/db/data/extract_tmp/tracking_events.json' parser fjsonparser(); ERROR 2858: Could not find function definition HINT: This usually happens due to missing or corrupt libraries, libraries built with the wrong SDK version, or due to a concurrent session dropping the library or function. Try recreating the library and function verticadba=> SELECT * FROM user_library_manifest; ERROR 3399: Failure in UDx RPC call InvokeSetExecContext(): Error calling setupExecContext() in User Defined Object [] at [/scratch_a/release/vbuild/vertica/OSS/UDxFence/vertica-udx-C++.cpp:180], error code: 0, message: Error happened in dlopen(): [/db/data/vertica/ck/v_ck_node0001_catalog/Libraries/public_FlexTableLib_45035996273732866.so: failed to map segment from shared object: Operation not permitted] verticadba=> SELECT * FROM user_libraries; schema_name | lib_name | lib_oid | author | owner_id | lib_file_name | md5_sum | sdk_version | revision | lib_build_tag | lib_version | lib_sdk_version | source_url | description | licenses_required | signature -------------+----------------+-------------------+-----------------------+-------------------+--------------------------------------------+----------------------------------+-------------+----------+---------------+-------------+-----------------+-------------------------+-------------------------------------+-----------------------+----------- public | FlexTableLib | 45035996273732866 | HP Vertica | 45035996273704962 | public_FlexTableLib_45035996273732866.so | ec0d0d1300b5868fba7e0cf5b78f4e2d | v7.0.0-1 | 127765 | 127765 | 1.0.0 | v7.0.0 | http://www.vertica.com/ | Flexible Tables Data Load and Query | com.vertica.flextable | 127765 public | ApproximateLib | 45035996273733072 | Vertica Systems, Inc. | 45035996273704962 | public_ApproximateLib_45035996273733072.so | 025d17e62518e156e8bad1c7ce1e3d9a | v7.0.0-1 | 127765 | | 1.0 | v7.0.0 | http://www.vertica.com/ | Approximate package | | (2 rows) verticadba=> \q [verticadba@dw01 root]# ls -alh /db/data/extract_tmp/tracking_events.json -rw-rw-r-- 1 verticadba verticadba 52M Apr 8 15:32 /db/data/extract_tmp/tracking_events.json [verticadba@dw01 root]#
What's my next step here? The os is CentOS6.5 x86_64. This was a fresh install at version 7 and has never been upgraded from any other version.
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Make sure your dbadmin user (or whatever user you're running Vertica as) has permissions to the .so on all nodes and that your catalog directory isn't on a disk mounted with the "noexec" option.
I was able to temporarily symlink the Libraries directory from a different partition which fixed the "Operation not permitted" issue when selecting from user_library_manifest . We are still, however, getting this error: Do you have instructions on how to recreate the flextable library? Also, is there any plan to remove executables from Vertica's data directory?
The installer for Flex can be found in /opt/vertica/packages/.
We install a number of packages this way. If mounting "noexec" has corrupted this one, the others are likely corrupt as well. You can reinstall them all manually (they are all in /opt/vertica/packages/). Alternatively, if this is a new cluster that you haven't yet used significantly, you're likely to get better results by reinstalling from scratch.
Managing executable content, as a part of our UDx extensions framework (see http://vertica.com/marketplace) and as part of various integrations between Vertica and other products, is a core functionality of Vertica that many of our users depend on. Vertica provides its own access-control mechanisms for these libraries; it doesn't expect Linux file permissions to be used to control access. It is true that there are multiple ways to provide this functionality; also that features shipped with the core product could be treated differently. I can't speak to our future road map here; if you have a demo EE license, though, most likely you have a sales contact?, so I would suggest getting in touch with them if you would like to know more about future plans.
Adam