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liujiayi771 pushed a commit to branch main
in repository https://gitbox.apache.org/repos/asf/incubator-gluten.git
The following commit(s) were added to refs/heads/main by this push:
new 147ed917a5 [VL] Add dlerror message for library load failures (#10952)
147ed917a5 is described below
commit 147ed917a5ed9dca9778807e7c25cc645821f201
Author: Joey <[email protected]>
AuthorDate: Wed Oct 29 09:43:19 2025 +0800
[VL] Add dlerror message for library load failures (#10952)
---
cpp/velox/udf/UdfLoader.cc | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/cpp/velox/udf/UdfLoader.cc b/cpp/velox/udf/UdfLoader.cc
index 857fae0c3f..430927b2bf 100644
--- a/cpp/velox/udf/UdfLoader.cc
+++ b/cpp/velox/udf/UdfLoader.cc
@@ -36,9 +36,13 @@ void* loadSymFromLibrary(
const std::string& libPath,
const std::string& func,
bool throwIfNotFound = true) {
+ // Clear any existing dlerror() state before calling dlsym.
+ dlerror();
void* sym = dlsym(handle, func.c_str());
if (!sym && throwIfNotFound) {
- throw gluten::GlutenException(func + " not found in " + libPath);
+ const char* error = dlerror();
+ throw gluten::GlutenException(
+ fmt::format("Failed to load {} in {}: {}", func, libPath, error !=
nullptr ? error : "unknown error"));
}
return sym;
}
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