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zlib plugin: broken physical size! #239

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jrse opened this issue Jan 23, 2019 · 3 comments
Closed

zlib plugin: broken physical size! #239

jrse opened this issue Jan 23, 2019 · 3 comments
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jrse commented Jan 23, 2019

after #233

using the zlib plugin leads to broken physical size:

imap(t3): Error: Corrupted index cache file /home/jan/dovecot-2.2.21/var/mail/rbox/t3/mailboxes/INBOX/rbox-Mails/dovecot.index.cache: Broken physical size for mail UID 1
Jan 23 17:53:49 imap(t3): Error: read(zlib((buffer))) failed: Cached message size smaller than expected (904 < 1726, box=INBOX, UID=1)
Jan 23 17:53:49 imap(t4): Error: read(zlib((buffer))) failed: Cached message size smaller than expected (1070 < 2051, box=INBOX, UID=1)
@jrse jrse self-assigned this Jan 23, 2019
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jrse commented Jan 23, 2019

this seems to be a general problem with the zlib plugin. which is independent of our latest changes in #233.

@jrse jrse added the bug label Jan 24, 2019
jrse added a commit that referenced this issue Jan 24, 2019
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#239: invalid reinterpret_cast in istream_bufferlist (invalid magic_h…
996ea52 
…eader). read_mail. did update to mail object PHYSICAL_SIZE=object size. which lead to invalid physical size
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jrse commented Jan 25, 2019

Tests
To test the correct compression/decompression with zlib plugin. The plugin should be activated and proper configured in: dovecot-container: ceph-dovecot/docker-ceph-dovecot-build#1
so that the imaptests and doveadm commands are working with compressed mails.

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jrse commented Jan 25, 2019

mdbox configuration in (ceph-dovecot/docker-ceph-dovecot-build#1) to have zlib also availble, or we need to change doveadm backup commands in travis build files.

jrse added a commit that referenced this issue Jan 25, 2019
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Merge pull request #241 from ceph-dovecot/zlib_fix_#239
3b68282 
#239: invalid reinterpret_cast in istream_bufferlist
@jrse jrse closed this as completed Jan 25, 2019
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