Пытаюсь позвонить cpp на Java. После упаковки в Jar такая ошибка возникает после запуска. Я могу запустить эти коды в системе Linux, но сожалею, что сообщаю об ошибке после упаковки их в банку.
Как мне изменить мою программу? Есть ли проблема с именованием?
com.tencent.oceanus.jar.program.ProgramInvocationException: org.apache.flink.client.program.ProgramInvocationException: The program caused an error:
at com.tencent.oceanus.jar.CliFrontend.executeProgram(CliFrontend.java:248)
at com.tencent.oceanus.jar.CliFrontend.getJobGraph(CliFrontend.java:168)
at com.tencent.oceanus.server.jobs.JobManager.compile(JobManager.java:257)
at com.tencent.oceanus.server.jobs.transitions.StartTransitionCallback$StartThread.start(StartTransitionCallback.java:236)
at com.tencent.oceanus.server.jobs.transitions.StartTransitionCallback$StartThread.run(StartTransitionCallback.java:142)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)
Caused by: org.apache.flink.client.program.ProgramInvocationException: The program caused an error:
at org.apache.flink.client.program.OptimizerPlanEnvironment.getOptimizedPlan(OptimizerPlanEnvironment.java:93)
at com.tencent.oceanus.jar.program.ClusterClient.getOptimizedPlan(ClusterClient.java:244)
at com.tencent.oceanus.jar.program.ClusterClient.run(ClusterClient.java:316)
at com.tencent.oceanus.jar.program.ClusterClient.run(ClusterClient.java:285)
at com.tencent.oceanus.jar.CliFrontend.executeProgram(CliFrontend.java:242)
... 9 more
Caused by: java.lang.UnsatisfiedLinkError: com.tencent.wxapp.core.jni.JNI.call(Ljava/util/List;)[B
at com.tencent.wxapp.core.jni.JNI.call(Native Method)
at com.tencent.wxapp.core.jni.JNITest.main(JNITest.java:30)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at com.tencent.oceanus.jar.program.CustomPackagedProgram.callMainMethod(CustomPackagedProgram.java:314)
at com.tencent.oceanus.jar.program.CustomPackagedProgram.invokeInteractiveModeForExecution(CustomPackagedProgram.java:213)
at org.apache.flink.client.program.OptimizerPlanEnvironment.getOptimizedPlan(OptimizerPlanEnvironment.java:83)
... 13 more
Это мой JNI. java
package com.tencent.wxapp.core.jni;
import java.io.*;
import java.util.List;
public class JNI{
public native byte[] call(List<String> jList);
static{
InputStream is = JNI.class.getResourceAsStream("/JNIdll.so");
File file = null;
try {
file = File.createTempFile("lib", ".so");
} catch (IOException e) {
e.printStackTrace();
}
OutputStream os = null;
try {
os = new FileOutputStream(file);
} catch (FileNotFoundException e) {
e.printStackTrace();
}
byte[] buffer = new byte[1024];
int length = 0;
while (true) {
try {
if (!((length = is.read(buffer)) != -1)) break;
} catch (IOException e) {
e.printStackTrace();
}
try {
os.write(buffer, 0, length);
} catch (IOException e) {
e.printStackTrace();
}
}
try {
is.close();
} catch (IOException e) {
e.printStackTrace();
}
try {
os.close();
} catch (IOException e) {
e.printStackTrace();
}
System.load(file.getAbsolutePath());
file.deleteOnExit();
}
}
Это мой JNI. cpp
//JNIdll.cpp文件
#include<stdio.h>
#include<iostream>
#include <strstream>
#include "hyperloglog.hpp"
#include <vector>
#include <string>
#include <fstream>
#include "JNI.h"
using namespace hll;
using namespace std;
JNIEXPORT jbyteArray JNICALL Java_JNI_call
(JNIEnv *env, jobject obj,jobject jList){
//实现代码
HyperLogLog hll(10);
// retrieve the java.util.List interface class
jclass cList = env->FindClass("java/util/List");
// retrieve the toArray method and invoke it
jmethodID mToArray = env->GetMethodID(cList, "toArray", "()[Ljava/lang/Object;");
jobjectArray array = (jobjectArray)env->CallObjectMethod(jList, mToArray);
// now create the string array
string* sArray = new string[env->GetArrayLength(array)];
for(int i=0;i<env->GetArrayLength(array);i++) {
// retrieve the chars of the entry strings and assign them to the array!
jstring strObj = (jstring)env->GetObjectArrayElement(array, i);
const char * chr = env->GetStringUTFChars(strObj, NULL);
sArray[i].append(chr);
env->ReleaseStringUTFChars(strObj, chr);
}
// just print the array to std::cout
for(int i=0;i<env->GetArrayLength(array);i++) {
//print value
cout << sArray[i] << endl;
const char* p = sArray[i].data();
hll.add(p,10);
}
//print estimate value
cout<<hll.estimate()<<endl;
//输出到二进制流
std::ostringstream sstream;
hll.dump(sstream);
const std::string nativeString = sstream.str(); //转换成字符串
jbyteArray arr = env->NewByteArray(nativeString.length());
env->SetByteArrayRegion(arr,0,nativeString.length(),(jbyte*)nativeString.c_str()); //存入到二进制array传回Java
return arr;
}
Это это мой JNI.h
/* DO NOT EDIT THIS FILE - it is machine generated */
#include <jni.h>
/* Header for class JNI */
#ifndef _Included_JNI
#define _Included_JNI
#ifdef __cplusplus
extern "C" {
#endif
/*
* Class: JNI
* Method: call
* Signature: (Ljava/util/ArrayList;)[B
*/
JNIEXPORT jbyteArray JNICALL Java_JNI_call
(JNIEnv *, jobject, jobject);
#ifdef __cplusplus
}
#endif
#endif