GH-3243: sync computeIfAbsent in StoredProcExec #3244
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Fixes spring-projects#3243 It turns out that `ConcurrentModificationException` is thrown from the `HashMap.computeIfAbsent(HashMap.java:1134)` since Java 9 when the map is modified concurrently independently from the key we try to modify * Check for the value presence before computing * `synchronized(this.jdbcCallOperationsMap)` around `computeIfAbsent()` when `get() == null` **Cherry-pick to 5.2.x**
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And cherry-picked. |
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Fixes #3243
It turns out that
ConcurrentModificationExceptionis thrown from theHashMap.computeIfAbsent(HashMap.java:1134)since Java 9 when the map ismodified concurrently independently from the key we try to modify
synchronized(this.jdbcCallOperationsMap)aroundcomputeIfAbsent()when
get() == nullCherry-pick to 5.2.x