fix asserts and exceptions (#344)

* Send proper error to caller of GetChunkInfo instead of assert
* catch and handle exceptions when checking for state_marker
* properly wait for background tasks if oplop-export fails
* changelog

1 files changed, 5 insertions, 1 deletions

diff --git a/src/zenserver/projectstore/projectstore.cpp b/src/zenserver/projectstore/projectstore.cpp
index 184376c39..ae6f0d1d8 100644
--- a/src/zenserver/projectstore/projectstore.cpp
+++ b/src/zenserver/projectstore/projectstore.cpp
@@ -1952,7 +1952,11 @@ ProjectStore::GetChunkInfo(const std::string_view ProjectId,
 		IoHash	 RawHash;
 		uint64_t RawSize;
 		bool	 IsCompressed = CompressedBuffer::ValidateCompressedHeader(Chunk, RawHash, RawSize);
-		ZEN_ASSERT(IsCompressed);
+		if (!IsCompressed)
+		{
+			return {HttpResponseCode::InternalServerError,
+					fmt::format("Chunk info request for malformed chunk id '{}/{}'/'{}'", ProjectId, OplogId, ChunkId)};
+		}
 		ChunkSize = RawSize;
 	}