tomcat8 redis session
用redis管理session数据 ,主要用到 fst序列化序列到redis，目前只支持tomcat81.RedisSession
package com.lb.tomcat.redissessions;
import java.security.Principal;
import org.apache.catalina.Manager;
import org.apache.catalina.session.StandardSession;
import java.util.Collections;
import java.util.Enumeration;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Set;
import java.io.IOException;
import org.apache.juli.logging.Log;
import org.apache.juli.logging.LogFactory;
public class RedisSession extends StandardSession {
protected static Boolean manualDirtyTrackingSupportEnabled = false;
public static void setManualDirtyTrackingSupportEnabled(Boolean enabled) {
manualDirtyTrackingSupportEnabled = enabled;
}
protected static String manualDirtyTrackingAttributeKey = "__changed__";
public static void setManualDirtyTrackingAttributeKey(String key) {
manualDirtyTrackingAttributeKey = key;
}
/**数据临时存储*/
protected HashMap changedAttributes;
/**是否更新过*/
private boolean isUpdate = false;
@Override
public Enumeration getAttributeNames() {
// TODO Auto-generated method stub
Set names = new HashSet();
names.addAll(changedAttributes.keySet());
return Collections.enumeration(names);
}
public void setChangedAttributes(HashMap changedAttributes) {
this.changedAttributes = changedAttributes;
}
public RedisSession(Manager manager) {
super(manager);
resetDirtyTracking();
}
public HashMap getChangedAttributes() {
return changedAttributes;
}
public void resetDirtyTracking() {
changedAttributes = new HashMap(2);
isUpdate = true;
}
@Override
public Object getAttribute(String name) {
// TODO Auto-generated method stub
returnchangedAttributes.get(name);
}
@Override
public void setAttribute(String key, Object value) {
if (manualDirtyTrackingAttributeKey.equals(key)) {
isUpdate = true;
return;
}
Object oldValue = getAttribute(key);
super.setAttribute(key, value);
if ((value != null || oldValue != null)
&& (value == null && oldValue != null || oldValue == null
&& value != null
|| !value.getClass().isInstance(oldValue) || !value
.equals(oldValue))) {
isUpdate = true;
changedAttributes.put(key, value);
}
}
@Override
public void removeAttribute(String name) {
super.removeAttribute(name);
isUpdate = true;
changedAttributes.remove(name);
}
public boolean isUpdate() {
return isUpdate;
}
public void setUpdate(boolean isUpdate) {
this.isUpdate = isUpdate;
}
@Override
public void setId(String id) {
// Specifically do not call super(): it's implementation does unexpected
// things
// like calling manager.remove(session.id) and manager.add(session).
this.id = id;
}
@Override
public void setPrincipal(Principal principal) {
isUpdate = true;
super.setPrincipal(principal);
}
@Override
public void writeObjectData(java.io.ObjectOutputStream out)
throws IOException {
super.writeObjectData(out);
out.writeLong(this.getCreationTime());
}
@Override
public void readObjectData(java.io.ObjectInputStream in)
throws IOException, ClassNotFoundException {
super.readObjectData(in);
this.setCreationTime(in.readLong());
}
}
2.RedisSessionHandlerValve
package com.lb.tomcat.redissessions;
import org.apache.catalina.Session;
import org.apache.catalina.connector.Request;
import org.apache.catalina.connector.Response;
import org.apache.catalina.valves.ValveBase;
import javax.servlet.ServletException;
import java.io.IOException;
import org.apache.juli.logging.Log;
import org.apache.juli.logging.LogFactory;
public class RedisSessionHandlerValve extends ValveBase {
private final Log log = LogFactory.getLog(RedisSessionManager.class);
private RedisSessionManager manager;
public void setRedisSessionManager(RedisSessionManager manager) {
this.manager = manager;
}
@Override
public void invoke(Request request, Response response) throws IOException, ServletException {
try {
getNext().invoke(request, response);
} finally {
manager.afterRequest();
}
}
}
3.RedisSessionManager
package com.lb.tomcat.redissessions;
import org.apache.catalina.Lifecycle;
import org.apache.catalina.LifecycleException;
import org.apache.catalina.LifecycleListener;
import org.apache.catalina.util.LifecycleSupport;
import org.apache.catalina.Context;
import org.apache.catalina.LifecycleState;
import org.apache.catalina.Loader;
import org.apache.catalina.Valve;
import org.apache.catalina.Session;
import org.apache.catalina.session.ManagerBase;
import redis.clients.util.Pool;
import redis.clients.jedis.JedisPool;
import redis.clients.jedis.JedisSentinelPool;
import redis.clients.jedis.JedisPoolConfig;
import redis.clients.jedis.Jedis;
import redis.clients.jedis.Protocol;
import java.io.IOException;
import java.util.Arrays;
import java.util.Collections;
import java.util.Enumeration;
import java.util.HashMap;
import java.util.Set;
import java.util.EnumSet;
import java.util.HashSet;
import java.util.Iterator;
import org.apache.juli.logging.Log;
import org.apache.juli.logging.LogFactory;
public class RedisSessionManager extends ManagerBase implements Lifecycle {
enum SessionPersistPolicy {
DEFAULT, SAVE_ON_CHANGE, ALWAYS_SAVE_AFTER_REQUEST;
static SessionPersistPolicy fromName(String name) {
for (SessionPersistPolicy policy : SessionPersistPolicy.values()) {
if (policy.name().equalsIgnoreCase(name)) {
return policy;
}
}
throw new IllegalArgumentException(
"Invalid session persist policy [" + name
+ "]. Must be one of "
+ Arrays.asList(SessionPersistPolicy.values())
+ ".");
}
}
protected byte[] NULL_SESSION = "null".getBytes();
private final Log log = LogFactory.getLog(RedisSessionManager.class);
protected String host = "localhost";
protected int port = 6379;
protected int database = 0;
protected String password = null;
protected int timeout = Protocol.DEFAULT_TIMEOUT;
protected String sentinelMaster = null;
Set sentinelSet = null;
protected Pool connectionPool;
protected JedisPoolConfig connectionPoolConfig = new JedisPoolConfig();
protected RedisSessionHandlerValve handlerValve;
protected ThreadLocal currentSession = new ThreadLocal();
protected ThreadLocal currentSessionId = new ThreadLocal();
/**是否持久化*/
protected ThreadLocal currentSessionIsPersisted = new ThreadLocal();
protected static String name = "RedisSessionManager";
protected Serializer serializer;
protected SerializeUtils serializeUtils;
protected String serializationStrategyClass = "com.lb.tomcat.redissessions.JavaSerializer";
protected String serializationStrategyClass2 = "com.lb.tomcat.redissessions.SerializeUtils";
protected String webName ;
// protected String serializationStrategyClass =
// "com.radiadesign.catalina.session.SerializeUtils";
/**
* The lifecycle event support for this component.
*/
protected LifecycleSupport lifecycle = new LifecycleSupport(this);
public String getHost() {
return host;
}
public void setHost(String host) {
this.host = host;
}
public int getPort() {
return port;
}
public void setPort(int port) {
this.port = port;
}
public int getDatabase() {
return database;
}
public void setDatabase(int database) {
this.database = database;
}
public int getTimeout() {
return timeout;
}
public void setTimeout(int timeout) {
this.timeout = timeout;
}
public String getPassword() {
return password;
}
public void setPassword(String password) {
this.password = password;
}
public void setSerializationStrategyClass(String strategy) {
this.serializationStrategyClass = strategy;
}
public String getSentinels() {
StringBuilder sentinels = new StringBuilder();
for (Iterator iter = this.sentinelSet.iterator(); iter
.hasNext();) {
sentinels.append(iter.next());
if (iter.hasNext()) {
sentinels.append(",");
}
}
return sentinels.toString();
}
public void setSentinels(String sentinels) {
if (null == sentinels) {
sentinels = "";
}
String[] sentinelArray = sentinels.split(",");
this.sentinelSet = new HashSet(Arrays.asList(sentinelArray));
}
public Set getSentinelSet() {
return this.sentinelSet;
}
public String getSentinelMaster() {
return this.sentinelMaster;
}
public void setSentinelMaster(String master) {
this.sentinelMaster = sentinelMaster;
}
@Override
public int getRejectedSessions() {
// Essentially do nothing.
return 0;
}
public void setRejectedSessions(int i) {
// Do nothing.
}
protected Jedis acquireConnection() {
Jedis jedis = connectionPool.getResource();
if (getDatabase() != 0) {
jedis.select(getDatabase());
}
return jedis;
}
protected void returnConnection(Jedis jedis, Boolean error) {
if (error) {
connectionPool.returnBrokenResource(jedis);
} else {
connectionPool.returnResource(jedis);
}
}
protected void returnConnection(Jedis jedis) {
returnConnection(jedis, false);
}
@Override
public void load() throws ClassNotFoundException, IOException {
}
@Override
public void unload() throws IOException {
}
/**
* Add a lifecycle event listener to this component.
*
* @param listener
* The listener to add
*/
@Override
public void addLifecycleListener(LifecycleListener listener) {
lifecycle.addLifecycleListener(listener);
}
/**
* Get the lifecycle listeners associated with this lifecycle. If this
* Lifecycle has no listeners registered, a zero-length array is returned.
*/
@Override
public LifecycleListener[] findLifecycleListeners() {
return lifecycle.findLifecycleListeners();
}
/**
* Remove a lifecycle event listener from this component.
*
* @param listener
* The listener to remove
*/
@Override
public void removeLifecycleListener(LifecycleListener listener) {
lifecycle.removeLifecycleListener(listener);
}
/**
* Start this component and implement the requirements of
* {@link org.apache.catalina.util.LifecycleBase#startInternal()}.
*
* @exception LifecycleException
* if this component detects a fatal error that prevents this
* component from being used
*/
@Override
protected synchronized void startInternal() throws LifecycleException {
super.startInternal();
setState(LifecycleState.STARTING);
Boolean attachedToValve = false;
for (Valve valve : getContainer().getPipeline().getValves()) {
if (valve instanceof RedisSessionHandlerValve) {
this.handlerValve = (RedisSessionHandlerValve) valve;
this.handlerValve.setRedisSessionManager(this);
log.info("Attached to RedisSessionHandlerValve");
attachedToValve = true;
break;
}
}
if (!attachedToValve) {
String error = "Unable to attach to session handling valve; sessions cannot be saved after the request without the valve starting properly.";
log.fatal(error);
throw new LifecycleException(error);
}
try {
initializeSerializer();
} catch (ClassNotFoundException | InstantiationException
| IllegalAccessException e) {
log.fatal("Unable to load serializer", e);
throw new LifecycleException(e);
}
log.info("Will expire sessions after " + getMaxInactiveInterval()
+ " seconds");
initializeDatabaseConnection();
setDistributable(true);
}
/**
* Stop this component and implement the requirements of
* {@link org.apache.catalina.util.LifecycleBase#stopInternal()}.
*
* @exception LifecycleException
* if this component detects a fatal error that prevents this
* component from being used
*/
@Override
protected synchronized void stopInternal() throws LifecycleException {
if (log.isDebugEnabled()) {
log.debug("Stopping");
}
setState(LifecycleState.STOPPING);
try {
connectionPool.destroy();
} catch (Exception e) {
// Do nothing.
}
// Require a new random number generator if we are restarted
super.stopInternal();
}
@Override
public Session createSession(String requestedSessionId) {
System.out.println("createSession");
RedisSession session = null;
String sessionId = null;
String jvmRoute = getJvmRoute();
Boolean error = true;
Jedis jedis = null;
try {
jedis = acquireConnection();
// Ensure generation of a unique session identifier.
if (null != requestedSessionId) {
sessionId = requestedSessionId;
if (jvmRoute != null) {
sessionId += '.' + jvmRoute;
}
if (jedis.setnx(sessionId.getBytes(), NULL_SESSION) == 0L) {
sessionId = null;
}
} else {
do {
sessionId = generateSessionId();
if (jvmRoute != null) {
sessionId += '.' + jvmRoute;
}
} while (jedis.setnx(sessionId.getBytes(), NULL_SESSION) == 0L); // 1
// =
// key
// set;
// 0
// =
// key
// already
// existed
}
/*
* Even though the key is set in Redis, we are not going to flag the
* current thread as having had the session persisted since the
* session isn't actually serialized to Redis yet. This ensures that
* the save(session) at the end of the request will serialize the
* session into Redis with 'set' instead of 'setnx'.
*/
error = false;
if (null != sessionId) {
session = (RedisSession) createEmptySession();
session.setNew(true);
session.setValid(true);
session.setCreationTime(System.currentTimeMillis());
session.setMaxInactiveInterval(getMaxInactiveInterval());
session.setId(sessionId);
session.tellNew();
}
currentSession.set(session);
currentSessionId.set(sessionId);
currentSessionIsPersisted.set(false);
if (null != session) {
try {
error = saveInternal(jedis, session);
} catch (IOException ex) {
log.error("Error saving newly created session: "
+ ex.getMessage());
currentSession.set(null);
currentSessionId.set(null);
session = null;
}
}
} finally {
if (jedis != null) {
returnConnection(jedis, error);
}
}
return session;
}
@Override
public Session createEmptySession() {
return new RedisSession(this);
}
@Override
public void add(Session session) {
try {
save(session);
} catch (IOException ex) {
log.warn("Unable to add to session manager store: "
+ ex.getMessage());
throw new RuntimeException(
"Unable to add to session manager store.", ex);
}
}
@Override
public Session findSession(String id) throws IOException {
RedisSession session;
if (id == null) {
session = null;
currentSessionIsPersisted.set(false);
} else if (id.equals(currentSessionId.get())) {
session = currentSession.get();
} else {
session = loadSessionFromRedis(id);
if (session != null) {
currentSessionIsPersisted.set(true);
} else {
currentSessionIsPersisted.set(false);
id = null;
}
}
currentSession.set(session);
currentSessionId.set(id);
return session;
}
public void clear() {
Jedis jedis = null;
Boolean error = true;
try {
jedis = acquireConnection();
jedis.flushDB();
error = false;
} finally {
if (jedis != null) {
returnConnection(jedis, error);
}
}
}
public int getSize() throws IOException {
Jedis jedis = null;
Boolean error = true;
try {
jedis = acquireConnection();
int size = jedis.dbSize().intValue();
error = false;
return size;
} finally {
if (jedis != null) {
returnConnection(jedis, error);
}
}
}
public String[] keys() throws IOException {
Jedis jedis = null;
Boolean error = true;
try {
jedis = acquireConnection();
Set keySet = jedis.keys("*");
error = false;
return keySet.toArray(new String);
} finally {
if (jedis != null) {
returnConnection(jedis, error);
}
}
}
public RedisSession loadSessionFromRedis(String id) {
RedisSession session;
Jedis jedis = null;
Boolean error = true;
try {
log.trace("Attempting to load session " + id + " from Redis");
jedis = acquireConnection();
byte[] data = jedis.get(id.getBytes());
error = false;
if (data == null) {
log.trace("Session " + id + " not found in Redis");
session = null;
} else {
log.trace("Deserializing session " + id + " from Redis");
session = (RedisSession) createEmptySession();
HashMapmap = (HashMap )serializeUtils.fdeserialize(data);
session.setChangedAttributes(map);
//TODO
//serializer.deserializeInto(data, session);
session.setId(id);
session.setNew(false);
session.setMaxInactiveInterval(getMaxInactiveInterval() * 1000);
session.access();
session.setValid(true);
//session.resetDirtyTracking();
if (log.isTraceEnabled()) {
log.trace("Session Contents [" + id + "]:");
Enumeration en = session.getAttributeNames();
while (en.hasMoreElements()) {
log.trace("" + en.nextElement());
}
}
}
return session;
} catch (Exception e) {
e.printStackTrace();
log.fatal(e.getMessage());
} finally {
if (jedis != null) {
returnConnection(jedis, error);
}
}
return null;
}
public void save(Session session) throws IOException {
Jedis jedis = null;
Boolean error = true;
try {
jedis = acquireConnection();
error = saveInternal(jedis, session);
} catch (IOException e) {
e.printStackTrace();
throw e;
} finally {
if (jedis != null) {
returnConnection(jedis, error);
}
}
}
protected boolean saveInternal(Jedis jedis, Session session)
throws IOException {
Boolean error = true;
try {
log.trace("Saving session " + session + " into Redis");
RedisSession redisSession = (RedisSession) session;
if (log.isTraceEnabled()) {
log.trace("Session Contents [" + redisSession.getId() + "]:");
Enumeration en = redisSession.getAttributeNames();
while (en.hasMoreElements()) {
log.trace("" + en.nextElement());
}
}
byte[] binaryId = redisSession.getId().getBytes();
Boolean isCurrentSessionPersisted = this.currentSessionIsPersisted
.get();
//更新状态 和未持久化
if (redisSession.isUpdate()
|| (isCurrentSessionPersisted == null || !isCurrentSessionPersisted)) {
redisSession.setUpdate(false);
//TODO
//jedis.set(binaryId, serializer.serializeFrom(redisSession));
jedis.set(binaryId,serializeUtils.fserialize(redisSession.getChangedAttributes()));
}
currentSessionIsPersisted.set(true);
log.trace("Setting expire timeout on session ["
+ redisSession.getId() + "] to " + getMaxInactiveInterval());
jedis.expire(binaryId, redisSession.getMaxInactiveInterval() * 60);
error = false;
return error;
} catch (Exception e) {
log.error(e.getMessage());
throw e;
} finally {
return error;
}
}
@Override
public void remove(Session session) {
remove(session, false);
}
@Override
public void remove(Session session, boolean update) {
Jedis jedis = null;
Boolean error = true;
log.trace("Removing session ID : " + session.getId());
try {
jedis = acquireConnection();
jedis.del(session.getId());
error = false;
} finally {
if (jedis != null) {
returnConnection(jedis, error);
}
}
}
/**
* 整个会话结束后
*/
public void afterRequest() {
RedisSession redisSession = currentSession.get();
if (redisSession != null) {
try {
// if (redisSession.isValid()) {
log.trace("Request with session completed, saving session "
+ redisSession.getId());
save(redisSession);
} catch (Exception e) {
log.error("Error storing/removing session", e);
} finally {
currentSession.remove();
currentSessionId.remove();
currentSessionIsPersisted.remove();
log.trace("Session removed from ThreadLocal :"
+ redisSession.getIdInternal());
}
}
}
@Override
public void processExpires() {
// We are going to use Redis's ability to expire keys for session
// expiration.
// Do nothing.
}
/**
* 初始化redis
* @throws LifecycleException
*/
private void initializeDatabaseConnection() throws LifecycleException {
try {
if (getSentinelMaster() != null) {
Set sentinelSet = getSentinelSet();
if (sentinelSet != null && sentinelSet.size() > 0) {
connectionPool = new JedisSentinelPool(getSentinelMaster(),
sentinelSet, this.connectionPoolConfig,
getTimeout(), getPassword());
} else {
throw new LifecycleException(
"Error configuring Redis Sentinel connection pool: expected both `sentinelMaster` and `sentiels` to be configured");
}
} else {
connectionPool = new JedisPool(this.connectionPoolConfig,
getHost(), getPort(), getTimeout(), getPassword());
}
} catch (Exception e) {
e.printStackTrace();
throw new LifecycleException("Error connecting to Redis", e);
}
}
/**初始化序列化*/
private void initializeSerializer() throws ClassNotFoundException,
IllegalAccessException, InstantiationException {
log.info("Attempting to use serializer :" + serializationStrategyClass);
serializer = (Serializer) Class.forName(serializationStrategyClass)
.newInstance();
serializeUtils = (SerializeUtils) Class.forName(serializationStrategyClass2)
.newInstance();
Loader loader = null;
Context context = this.getContext();
if (context != null) {
loader = context.getLoader();
}
ClassLoader classLoader = null;
if (loader != null) {
classLoader = loader.getClassLoader();
}
if (webName == null) {
throw new RuntimeException("webName is null");
}
String d = classLoader.toString();
if (d.indexOf(webName) != -1) {
System.out.println(classLoader.toString());
serializer.setClassLoader(classLoader);
serializeUtils.conf.setClassLoader(classLoader);
}
}
// Connection Pool Config Accessors
// - from org.apache.commons.pool2.impl.GenericObjectPoolConfig
public int getConnectionPoolMaxTotal() {
return this.connectionPoolConfig.getMaxTotal();
}
public void setConnectionPoolMaxTotal(int connectionPoolMaxTotal) {
this.connectionPoolConfig.setMaxTotal(connectionPoolMaxTotal);
}
public int getConnectionPoolMaxIdle() {
return this.connectionPoolConfig.getMaxIdle();
}
public void setConnectionPoolMaxIdle(int connectionPoolMaxIdle) {
this.connectionPoolConfig.setMaxIdle(connectionPoolMaxIdle);
}
public int getConnectionPoolMinIdle() {
return this.connectionPoolConfig.getMinIdle();
}
public void setConnectionPoolMinIdle(int connectionPoolMinIdle) {
this.connectionPoolConfig.setMinIdle(connectionPoolMinIdle);
}
// - from org.apache.commons.pool2.impl.BaseObjectPoolConfig
public String getWebName() {
return webName;
}
public void setWebName(String webName) {
this.webName = webName;
}
public boolean getLifo() {
return this.connectionPoolConfig.getLifo();
}
public void setLifo(boolean lifo) {
this.connectionPoolConfig.setLifo(lifo);
}
public long getMaxWaitMillis() {
return this.connectionPoolConfig.getMaxWaitMillis();
}
public void setMaxWaitMillis(long maxWaitMillis) {
this.connectionPoolConfig.setMaxWaitMillis(maxWaitMillis);
}
public long getMinEvictableIdleTimeMillis() {
return this.connectionPoolConfig.getMinEvictableIdleTimeMillis();
}
public void setMinEvictableIdleTimeMillis(long minEvictableIdleTimeMillis) {
this.connectionPoolConfig
.setMinEvictableIdleTimeMillis(minEvictableIdleTimeMillis);
}
public long getSoftMinEvictableIdleTimeMillis() {
return this.connectionPoolConfig.getSoftMinEvictableIdleTimeMillis();
}
public void setSoftMinEvictableIdleTimeMillis(
long softMinEvictableIdleTimeMillis) {
this.connectionPoolConfig
.setSoftMinEvictableIdleTimeMillis(softMinEvictableIdleTimeMillis);
}
public int getNumTestsPerEvictionRun() {
return this.connectionPoolConfig.getNumTestsPerEvictionRun();
}
public void setNumTestsPerEvictionRun(int numTestsPerEvictionRun) {
this.connectionPoolConfig
.setNumTestsPerEvictionRun(numTestsPerEvictionRun);
}
public boolean getTestOnBorrow() {
return this.connectionPoolConfig.getTestOnBorrow();
}
public void setTestOnBorrow(boolean testOnBorrow) {
this.connectionPoolConfig.setTestOnBorrow(testOnBorrow);
}
public boolean getTestOnReturn() {
return this.connectionPoolConfig.getTestOnReturn();
}
public void setTestOnReturn(boolean testOnReturn) {
this.connectionPoolConfig.setTestOnReturn(testOnReturn);
}
public boolean getTestWhileIdle() {
return this.connectionPoolConfig.getTestWhileIdle();
}
public void setTestWhileIdle(boolean testWhileIdle) {
this.connectionPoolConfig.setTestWhileIdle(testWhileIdle);
}
public long getTimeBetweenEvictionRunsMillis() {
return this.connectionPoolConfig.getTimeBetweenEvictionRunsMillis();
}
public void setTimeBetweenEvictionRunsMillis(
long timeBetweenEvictionRunsMillis) {
this.connectionPoolConfig
.setTimeBetweenEvictionRunsMillis(timeBetweenEvictionRunsMillis);
}
public String getEvictionPolicyClassName() {
return this.connectionPoolConfig.getEvictionPolicyClassName();
}
public void setEvictionPolicyClassName(String evictionPolicyClassName) {
this.connectionPoolConfig
.setEvictionPolicyClassName(evictionPolicyClassName);
}
public boolean getBlockWhenExhausted() {
return this.connectionPoolConfig.getBlockWhenExhausted();
}
public void setBlockWhenExhausted(boolean blockWhenExhausted) {
this.connectionPoolConfig.setBlockWhenExhausted(blockWhenExhausted);
}
public boolean getJmxEnabled() {
return this.connectionPoolConfig.getJmxEnabled();
}
public void setJmxEnabled(boolean jmxEnabled) {
this.connectionPoolConfig.setJmxEnabled(jmxEnabled);
}
public String getJmxNamePrefix() {
return this.connectionPoolConfig.getJmxNamePrefix();
}
public void setJmxNamePrefix(String jmxNamePrefix) {
this.connectionPoolConfig.setJmxNamePrefix(jmxNamePrefix);
}
public static void main(String[] args) throws LifecycleException {
RedisSessionManager manager = new RedisSessionManager();
manager.initializeDatabaseConnection();
}
}
4.SerializeUtils
package com.lb.tomcat.redissessions;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.io.Serializable;
import org.nustaq.serialization.FSTConfiguration;
public class SerializeUtils {
public FSTConfiguration conf = FSTConfiguration.createDefaultConfiguration();
/**
* 序列化
* @param objectData
* @return
*/
public byte[] fserialize(Serializable obj) {
byte[] bytes = conf.asByteArray( obj);
return bytes;
}
/**
* 反序列化
* @param objectData
* @return
*/
public Object fdeserialize(byte[] objectData) {
return conf.asObject(objectData);
}
}
以上代码打包redis-session.jar
其他jar包
commons-pool2-2.0.jar
jedis-2.4.1.jar
fst-2.08.jar
以上4个jar包 放入 tomcat\lib 下面
tomcat/conf/context.xml
增加
/>
页:
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