asfimport opened a new issue, #326:
URL: https://github.com/apache/arrow-java/issues/326
Hi there,
Recently I'm trying to add some UDF with dynamic link libaries. It is fine
compiling and running test in cpp, but when I call the udf from java, JVM
failed with errors.
Steps to reproduce the issue
1 Prepare dynamic library 'libmytest.so'
```java
// code placeholder
#ifndef MYTEST_H
#define MYTEST_H
#ifdef __cplusplus
extern "C"{
#endif
float testSim();
#ifdef __cplusplus
}
#endif
#endif
```
2 Add simple code for the udf in file 'string_ops.cc'
```java
// code placeholder
FORCE_INLINEFORCE_INLINE
gdv_float32 test_sim_binary_binary(gdv_int64 context, const char* left,
gdv_int32 left_len, const char* right, gdv_int32 right_len) {
float sim = testSim();
return sim;
}
```
3 Add function details in the function registry file
'function_registry_string.cc'
```java
// code placeholder
NativeFunction("test_sim", {},
DataTypeVector{binary(),binary()},float32(),
kResultNullIfNull, "sim_binary_binary",
NativeFunction::kNeedsContext | NativeFunction::kCanReturnErrors)
```
4 Create test functions
5 Add link to the CMakeLists.txt
5 compile and test
6 write a java demo to call the udf
[hs_err_pid28288.log](hs_err_pid28288.log)
**Environment**: OS:Centos7.4
llvm:7.0.1
jdk:1.8.0_162
arrow:1.0.0
**Reporter**: [Leo89](https://issues.apache.org/jira/browse/ARROW-9624)
#### Original Issue Attachments:
-
[hs_err_pid28288.log](https://issues.apache.org/jira/secure/attachment/13008955/hs_err_pid28288.log)
<sub>**Note**: *This issue was originally created as
[ARROW-9624](https://issues.apache.org/jira/browse/ARROW-9624). Please see the
[migration documentation](https://github.com/apache/arrow/issues/14542) for
further details.*</sub>
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