Java Hazelcast实例未激活!在3.2.1中
我在hazelcast 3.2.1上设置了两个节点,每个节点包含500 MB的数据 我们创建了一个测试环境,其中有3个线程试图同时访问HazelcastInstance客户端。在这种情况下,只有一个线程成功获取map实例并能够获得输出。其他两个线程显示以下错误 日志 ** 源代码 ** 单身人士Java Hazelcast实例未激活!在3.2.1中,java,multithreading,caching,hazelcast,Java,Multithreading,Caching,Hazelcast,我在hazelcast 3.2.1上设置了两个节点,每个节点包含500 MB的数据 我们创建了一个测试环境,其中有3个线程试图同时访问HazelcastInstance客户端。在这种情况下,只有一个线程成功获取map实例并能够获得输出。其他两个线程显示以下错误 日志 ** 源代码 ** 单身人士 import java.io.Serializable; import java.util.Arrays; import java.util.HashSet; import java.util.Iter
import java.io.Serializable;
import java.util.Arrays;
import java.util.HashSet;
import java.util.Iterator;
import java.util.Set;
import com.hazelcast.client.HazelcastClient;
import com.hazelcast.client.config.ClientConfig;
import com.hazelcast.config.InMemoryFormat;
import com.hazelcast.config.NearCacheConfig;
import com.hazelcast.core.HazelcastInstance;
public class cacheSigleton implements Serializable {
private static final long serialVersionUID = 1L;
public static cacheSigleton INSTANCE = null;
private static ClientConfig clientConfig = null;
private static HazelcastInstance cacheClient = null;
private static Set<String> nearcaches = new HashSet<String>(
Arrays.asList("HOLIDAY_DATE_MAP","PARAMETERS_MAP"));
private cacheSigleton() {
if (clientConfig == null || cacheClient == null) {
clientConfig = new ClientConfig();
clientConfig.getGroupConfig().setName("dev")
.setPassword("dev-pass");
Iterator<String> iterator = nearcaches.iterator();
String near = null;
NearCacheConfig nearCacheConfig = null;
while (iterator.hasNext()) {
near = iterator.next();
nearCacheConfig = new NearCacheConfig();
nearCacheConfig.setEvictionPolicy("NONE");
nearCacheConfig.setInMemoryFormat(InMemoryFormat.OBJECT);
clientConfig.addNearCacheConfig(near, nearCacheConfig);
}
cacheClient = HazelcastClient.newHazelcastClient(clientConfig);
}
}
public static cacheSigleton getInstance() {
if(INSTANCE == null){
synchronized(cacheSigleton.class) {
INSTANCE = new cacheSigleton();
}
}
return INSTANCE;
}
public HazelcastInstance getHZInstance(){
return cacheClient;
}
}
import java.io.Serializable;
导入java.util.array;
导入java.util.HashSet;
导入java.util.Iterator;
导入java.util.Set;
导入com.hazelcast.client.HazelcastClient;
导入com.hazelcast.client.config.ClientConfig;
导入com.hazelcast.config.InMemoryFormat;
导入com.hazelcast.config.NearCacheConfig;
导入com.hazelcast.core.hazelcast实例;
公共类cacheSigleton实现可序列化{
私有静态最终长serialVersionUID=1L;
公共静态cacheSigleton实例=null;
私有静态ClientConfig ClientConfig=null;
私有静态HazelcastInstance cacheClient=null;
私有静态集nearcaches=新哈希集(
asList(“假日\日期\映射”,“参数\映射”);
私有cacheSigleton(){
if(clientConfig==null | | cacheClient==null){
clientConfig=newclientconfig();
clientConfig.getGroupConfig().setName(“dev”)
.setPassword(“开发通行证”);
迭代器迭代器=nearcaches.Iterator();
字符串near=null;
NearCacheConfig NearCacheConfig=null;
while(iterator.hasNext()){
near=iterator.next();
nearCacheConfig=新的nearCacheConfig();
nearCacheConfig.setReceionPolicy(“无”);
nearCacheConfig.setInMemoryFormat(InMemoryFormat.OBJECT);
addNearCacheConfig(near,nearCacheConfig);
}
cacheClient=HazelcastClient.newHazelcastClient(clientConfig);
}
}
公共静态cacheSigleton getInstance(){
if(实例==null){
已同步(cacheSigleton.class){
INSTANCE=new cacheSigleton();
}
}
返回实例;
}
公共HazelcastInstance getHZInstance(){
返回缓存客户端;
}
}
线程执行
import java.util.Arrays;
import java.util.HashSet;
import java.util.Iterator;
import java.util.Map;
import java.util.Set;
import com.hazelcast.core.HazelcastInstance;
import com.hazelcast.core.IMap;
public class Threadimp implements Runnable{
private HazelcastInstance HZinstance = null;
private int id = 0;
public Threadimp(HazelcastInstance HZinstance, int id) {
this.HZinstance = HZinstance;
this.id = id;
}
public void run(){
execute();
}
public void execute() {
//Keys to retrieve the HZ map values
Set<String> keys = new HashSet<String>(
Arrays.asList(""18-Feb-05AAB","09-Jul-10AAB","24-Aug-07AAB","16-Jan-05AABNM","01-Jan-06AAB","16-Jan-09AAB","20-Feb-05AABNM","20-Feb-09AAB","09-Jan-06AAB","26-Jun-09AAB","31-Jul-08AABMY","25-Oct-12AAB","17-Oct-13AAB","03-Dec-11AAB"));
long begin = System.currentTimeMillis();
IMap<Object, Object> map = this.HZinstance.getMap("HOLIDAY_DATE_MAP");
Iterator<String> iterator = keys.iterator();
String key = null;
Object out = null;
while(iterator.hasNext()){
key = iterator.next();
out = map.get(key);
}
long firstRead = System.currentTimeMillis() - begin;
System.out.println("ID: " + id + " " + begin+ " totaltime " +firstRead);
}
public static void main(String args[]) throws Exception
{
System.out.println("Thread Starts");
cacheSigleton instance = cacheSigleton.getInstance();
HazelcastInstance HZinstance = instance.getHZInstance();
Thread test1 = new Thread(new Threadimp(HZinstance, 1));
Thread test2 = new Thread(new Threadimp(HZinstance, 2));
Thread test3 = new Thread(new Threadimp(HZinstance, 3));
test1.start();
test2.start();
test3.start();
System.out.println("Thread End");
}
}
导入java.util.array;
导入java.util.HashSet;
导入java.util.Iterator;
导入java.util.Map;
导入java.util.Set;
导入com.hazelcast.core.hazelcast实例;
导入com.hazelcast.core.IMap;
公共类Threadimp实现可运行{
私有HazelcastInstance HZinstance=null;
私有int id=0;
公共线程IMP(HazelcastInstance HZinstance,内部id){
this.HZinstance=HZinstance;
this.id=id;
}
公开募捐{
执行();
}
public void execute(){
//检索HZ映射值的键
Set keys=newhashset(
数组.asList(““18-Feb-05AAB”,“09-Jul-10AAB”,“24-Aug-07AAB”,“16-Jan-05AABNM”,“01-Jan-06AAB”,“16-Jan-09AAB”,“20-Feb-05AABNM”,“20-Feb-09AAB”,“09-Jan-06AAB”,“26-Jun-09AAB”,“31-Jul-08AABMY”,“25-Oct-12AAB”,“17-Oct-13AAB”,“03-Dec-11AAB”));
long begin=System.currentTimeMillis();
IMap map=this.HZinstance.getMap(“假日日期映射”);
迭代器迭代器=keys.Iterator();
字符串键=null;
对象输出=空;
while(iterator.hasNext()){
key=iterator.next();
out=map.get(键);
}
long firstRead=System.currentTimeMillis()-开始;
System.out.println(“ID:+ID+”+begin+“totaltime”+firstRead);
}
公共静态void main(字符串args[])引发异常
{
System.out.println(“线程启动”);
cacheSigleton实例=cacheSigleton.getInstance();
HazelcastInstance HZinstance=instance.getHZInstance();
螺纹测试1=新螺纹(新螺纹IMP(HZinstance,1));
螺纹测试2=新螺纹(新螺纹IMP(HZinstance,2));
螺纹测试3=新螺纹(新螺纹IMP(HZinstance,3));
test1.start();
test2.start();
test3.start();
System.out.println(“螺纹端”);
}
}
提前感谢,,
Sathish已经在邮件列表上看到了你的帖子。我快速浏览了一下,在我看来,这就像是一个竞争条件,代理的一部分已经初始化,而其他部分还没有初始化。需要更深入地研究一下。也许你可以在bugtracker中创建一个bug,或者可以创建一个unittest,使它一直失败?这bug已在3.2.2-SNAPSHOT中解决。它将在本周或下周初发布。感谢pveentjer的快速响应。
import java.util.Arrays;
import java.util.HashSet;
import java.util.Iterator;
import java.util.Map;
import java.util.Set;
import com.hazelcast.core.HazelcastInstance;
import com.hazelcast.core.IMap;
public class Threadimp implements Runnable{
private HazelcastInstance HZinstance = null;
private int id = 0;
public Threadimp(HazelcastInstance HZinstance, int id) {
this.HZinstance = HZinstance;
this.id = id;
}
public void run(){
execute();
}
public void execute() {
//Keys to retrieve the HZ map values
Set<String> keys = new HashSet<String>(
Arrays.asList(""18-Feb-05AAB","09-Jul-10AAB","24-Aug-07AAB","16-Jan-05AABNM","01-Jan-06AAB","16-Jan-09AAB","20-Feb-05AABNM","20-Feb-09AAB","09-Jan-06AAB","26-Jun-09AAB","31-Jul-08AABMY","25-Oct-12AAB","17-Oct-13AAB","03-Dec-11AAB"));
long begin = System.currentTimeMillis();
IMap<Object, Object> map = this.HZinstance.getMap("HOLIDAY_DATE_MAP");
Iterator<String> iterator = keys.iterator();
String key = null;
Object out = null;
while(iterator.hasNext()){
key = iterator.next();
out = map.get(key);
}
long firstRead = System.currentTimeMillis() - begin;
System.out.println("ID: " + id + " " + begin+ " totaltime " +firstRead);
}
public static void main(String args[]) throws Exception
{
System.out.println("Thread Starts");
cacheSigleton instance = cacheSigleton.getInstance();
HazelcastInstance HZinstance = instance.getHZInstance();
Thread test1 = new Thread(new Threadimp(HZinstance, 1));
Thread test2 = new Thread(new Threadimp(HZinstance, 2));
Thread test3 = new Thread(new Threadimp(HZinstance, 3));
test1.start();
test2.start();
test3.start();
System.out.println("Thread End");
}
}