This is an automated email from the ASF dual-hosted git repository.
kichan pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/trafficserver.git
The following commit(s) were added to refs/heads/master by this push:
new 8e85244 Log the Lua error message when evaluating metrics fails.
8e85244 is described below
commit 8e8524498610cfb3e3b6ada025021a1b5ca27643
Author: scw00 <[email protected]>
AuthorDate: Wed May 24 16:12:00 2017 +0800
Log the Lua error message when evaluating metrics fails.
---
cmd/traffic_manager/metrics.cc | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/cmd/traffic_manager/metrics.cc b/cmd/traffic_manager/metrics.cc
index 988cce7..f06d5a5 100644
--- a/cmd/traffic_manager/metrics.cc
+++ b/cmd/traffic_manager/metrics.cc
@@ -46,6 +46,7 @@ struct Evaluator {
bool
bind(lua_State *L, const char *metric, const char *expression)
{
+ const char *err = nullptr;
if (RecGetRecordDataType(metric, &this->data_type) != REC_ERR_OKAY) {
return false;
}
@@ -55,8 +56,9 @@ struct Evaluator {
switch (luaL_loadstring(L, expression)) {
case LUA_ERRSYNTAX:
case LUA_ERRMEM:
- Debug("lua", "loadstring failed for %s", metric);
- luaL_error(L, "invalid expression for %s", metric);
+ err = luaL_checkstring(L, -1);
+ Debug("lua", "loadstring failed for %s: %s", metric, err);
+ luaL_error(L, "invalid expression for %s: %s", metric, err);
return false;
case 0:
break; // success
--
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