Details
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Bug
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Resolution: Fixed
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Major
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3.0
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Security Level: Public
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None
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1
Description
I've got a unit test that reproduces this consistently, though have struggled to reproduce it "in the wild":
func TestImportCompactPanic(t *testing.T) {
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if !base.TestUseXattrs() {
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t.Skip("requires xattrs")
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}
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// Set the compaction and metadata purge interval unrealistically low to reproduce faster
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options := DatabaseContextOptions{
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CompactInterval: 1,
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}
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AddOptionsFromEnvironmentVariables(&options)
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bucket := base.GetTestBucket(t)
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dbc, err := NewDatabaseContext("db", bucket, true, options)
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require.NoError(t, err, "Couldn't create context for database 'db'")
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dbc.PurgeInterval = time.Millisecond
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db, err := CreateDatabase(dbc)
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require.NoError(t, err, "Couldn't create database 'db'")
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// Create a document, then delete it
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rev, doc, err := db.Put("test", Body{})
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require.NoError(t, err)
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_, err = db.DeleteDoc(doc.ID, rev)
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require.NoError(t, err)
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waitForBGTCompletion(BGTCompletionMaxWait, db.backgroundTasks, db.Name)
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}
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This fails with:
2022/05/04 15:41:11 Unexpected panic: runtime error: invalid memory address or nil pointer dereference - stopping process
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goroutine 1750 [running]:
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runtime/debug.Stack()
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/Users/marks.polakovs@couchbase.com/sdk/go1.17.9/src/runtime/debug/stack.go:24 +0x65
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github.com/couchbase/sync_gateway/base.FatalPanicHandler()
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/Users/marks.polakovs@couchbase.com/code/sync_gateway_3.0.1/godeps/src/github.com/couchbase/sync_gateway/base/util.go:1476 +0x49
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panic({0x1b2ef60, 0x26cfc90})
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/Users/marks.polakovs@couchbase.com/sdk/go1.17.9/src/runtime/panic.go:1038 +0x215
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github.com/couchbase/sync_gateway/base.(*SafeTerminator).Done(...)
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/Users/marks.polakovs@couchbase.com/code/sync_gateway_3.0.1/godeps/src/github.com/couchbase/sync_gateway/base/util.go:1280
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github.com/couchbase/sync_gateway/db.(*Database).Compact(0xc002c903c0, 0x0, 0x1d62450, 0x0)
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/Users/marks.polakovs@couchbase.com/code/sync_gateway_3.0.1/godeps/src/github.com/couchbase/sync_gateway/db/database.go:1163 +0x783
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github.com/couchbase/sync_gateway/db.NewDatabaseContext.func10({0x1eaf300, 0xc002c90c30})
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/Users/marks.polakovs@couchbase.com/code/sync_gateway_3.0.1/godeps/src/github.com/couchbase/sync_gateway/db/database.go:548 +0x85
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github.com/couchbase/sync_gateway/db.NewBackgroundTask.func1()
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/Users/marks.polakovs@couchbase.com/code/sync_gateway_3.0.1/godeps/src/github.com/couchbase/sync_gateway/db/utils.go:46 +0x237
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created by github.com/couchbase/sync_gateway/db.NewBackgroundTask
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/Users/marks.polakovs@couchbase.com/code/sync_gateway_3.0.1/godeps/src/github.com/couchbase/sync_gateway/db/utils.go:37 +0x331
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