[infinispan-issues] [JBoss JIRA] (ISPN-8691) Infinispan rejects to read cache file bigger than 2147483647 (Integer.MAX_VALUE)

[Dmitry Katsubo (JIRA)]

Dmitry Katsubo created ISPN-8691:
------------------------------------

             Summary: Infinispan rejects to read cache file bigger than 2147483647 (Integer.MAX_VALUE)
                 Key: ISPN-8691
                 URL: https://issues.jboss.org/browse/ISPN-8691
             Project: Infinispan
          Issue Type: Enhancement
          Components: Loaders and Stores
    Affects Versions: 9.1.1.Final
            Reporter: Dmitry Katsubo
            Priority: Minor


In my scenario the cache file size created by {{SingleFileStore}} is 3.054.196.342 bytes. When this file is tried to be loaded, it fails with the following exception:
{code}
Caused by: org.infinispan.persistence.spi.PersistenceException: ISPN000279: Failed to read stored entries from file. Error in file /work/search-service-layer_data/infinispan/cache_test_dk83146/markupCache.dat at offset 4
        at org.infinispan.persistence.file.SingleFileStore.rebuildIndex(SingleFileStore.java:182)
        at org.infinispan.persistence.file.SingleFileStore.start(SingleFileStore.java:127)
        ... 155 more
{code}
Cache file content:
{code}
0000000000: 46 43 53 31 80 B1 89 47 │ 00 00 00 00 00 00 00 00  FCS1?+%G
0000000010: 00 00 00 00 FF FF FF FF │ FF FF FF FF 02 15 4E 06      yyyyyyyy☻§N♠
0000000020: 05 03 04 09 00 00 00 2F │ 6F 72 67 2E 73 70 72 69  ♣♥♦○   /org.spri
0000000030: 6E 67 66 72 61 6D 65 77 │ 6F 72 6B 2E 63 61 63 68  ngframework.cach
0000000040: 65 2E 69 6E 74 65 72 63 │ 65 70 74 6F 72 2E 53 69  e.interceptor.Si
0000000050: 6D 70 6C 65 4B 65 79 4C │ 0A 57 03 6B 6D 93 D8 00  mpleKeyL◙W♥km"O
0000000060: 00 00 02 00 00 00 08 68 │ 61 73 68 43 6F 64 65 23    ☻   ◘hashCode#
0000000070: 00 00 00 00 06 70 61 72 │ 61 6D 73 16 00 16 15 E6      ♠params▬ ▬§?
{code}
The problem is that integer value 0x80B18947 is treated as signed integer in line {{SingleFileStore:181}}, hence in expression
{code}
if (fe.size < KEY_POS + fe.keyLen + fe.dataLen + fe.metadataLen) {
  throw log.errorReadingFileStore(file.getPath(), filePos);
}
{code}
{{fe.size}} is negative and equal to -2135848633.

I have tried to configure the persistence storage so that it gets purged on start:
{code}
<persistence passivation="true">
	<file-store path="/var/cache/infinispan" purge="true">
		<write-behind thread-pool-size="5" />
	</file-store>
</persistence>
{code}
however this does not help as storage is first read and then purged (see also ISPN-7186).

It is expected that {{SingleFileStore}} either does not allow to write such big entries to the cache, or handles them correctly.



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