如果想調用Flume，需要引入flume相關的jar包依賴，jar包依賴如下：
<?xml version="1.0" encoding="UTF-8"?><project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"> <parent> <artifactId>cn.com.toto.stormlogPro</artifactId> <groupId>stormlogPro</groupId> <version>1.0-SNAPSHOT</version> </parent> <modelVersion>4.0.0</modelVersion> <artifactId>cn.com.toto.flume</artifactId> <dependencies> <dependency> <groupId>org.apache.flume</groupId> <artifactId>flume-ng-core</artifactId> <version>1.6.0</version> <!-- 設置打包的時候，剔除依賴--> <scope>provided</scope> </dependency> <dependency> <groupId>log4j</groupId> <artifactId>log4j</artifactId> <version>1.2.17</version> </dependency> </dependencies> <build> <plugins> <plugin> <artifactId>maven-assembly-plugin</artifactId> <configuration> <descriptorRefs> <descriptorRef>jar-with-dependencies</descriptorRef> </descriptorRefs> <archive> <manifest> <mainClass>cn.com.toto.stromlogpro.log4j.LogInfoBuilder</mainClass> </manifest> </archive> </configuration> <executions> <execution> <id>make-assembly</id> <phase>package</phase> <goals> <goal>single</goal> </goals> </execution> </executions> </plugin> <plugin> <groupId>org.apache.maven.plugins</groupId> <artifactId>maven-compiler-plugin</artifactId> <configuration> <source>1.7</source> <target>1.7</target> </configuration> </plugin> </plugins> </build></project>package cn.com.toto.stromlogpro.flume;import org.apache.commons.lang.StringUtils;import org.apache.flume.Context;import org.apache.flume.Event;import org.apache.flume.interceptor.Interceptor;import java.io.UnsupportedEncodingException;import java.util.ArrayList;import java.util.List;/** * 自定義一個點擊流收集的攔截器 * * 1、實現一個Interceptor.Builder接口。 * 2、Interceptor.Builder中有個configuref方法,通過configure獲取配置文件中的相應key。 * 3、Interceptor.Builder中有個builder方法，通過builder創(chuàng)建一個自定義的AppInterceptor * 4、AppInterceptor中有兩個方法，一個是批處理，一個單條處理，將批處理的邏輯轉換為單條處理 * 5、需要在單條數據中添加 appid，由于appid是變量。需要在AppInterceptor的構造器中傳入一些參數。 * 6、為自定義的AppInterceptor創(chuàng)建有參構造器，將需要的參數傳入進來。 * * @author tuzq * @create 2017-06-25 12:48 */public class AppInterceptor implements Interceptor{ //4.定義成員變量appId,用來接收從配置文件中讀取的信息 private String appId; public AppInterceptor(String appId) { this.appId = appId; } /** * 單條數據進行處理,通過這個方式為日志添加上系統(tǒng)id * @param event * @return */ @Override public Event intercept(Event event) { String message = null; try { message = new String(event.getBody(), "utf-8"); } catch (UnsupportedEncodingException e) { message = new String(event.getBody()); } //處理邏輯 if (StringUtils.isNotBlank(message)) { message = "aid:"+appId+"||msg:" +message; event.setBody(message.getBytes()); //正常邏輯應該執(zhí)行到這里 return event; } return event; } /** * 批量數據進行處理 * @param list * @return */ @Override public List<Event> intercept(List<Event> list) { List<Event> resultList = new ArrayList<Event>(); for (Event event : list) { Event r = intercept(event); if (r != null) { resultList.add(r); } } return resultList; } @Override public void initialize() { } @Override public void close() { } public static class AppInterceptorBuilder implements Interceptor.Builder{ //1、獲取配置文件的appId private String appId; @Override public Interceptor build() { //3、構造攔截器 return new AppInterceptor(appId); } @Override public void configure(Context context) { //2、當出現default之后，就是點擊流告警系統(tǒng) this.appId = context.getString("appId","default"); System.out.println("appId:"+appId); } }}LogInfoBuilder的代碼如下：
package cn.com.toto.stromlogpro.log4j;import java.util.ArrayList;import java.util.List;import java.util.Random;import java.util.logging.Logger;/** * 通過這個工程模擬創(chuàng)建日志內容 * * @author tuzq * @create 2017-06-25 13:51 */public class LogInfoBuilder { private final static Logger logger = Logger.getLogger("msg"); public static void main(String[] args) { Random random = new Random(); List<String> list = logInfoList(); while(true) { logger.info(list.get(random.nextInt(list.size()))); } } private static List<String> logInfoList() { List list = new ArrayList<String>(); list.add("aid:1||msg:error: Caused by: java.lang.NoClassDefFoundError: com/starit/gejie/dao/SysNameDao"); list.add("java.sql.SQLException: You have an error in your SQL syntax;"); list.add("error Unable to connect to any of the specified MySQL hosts."); list.add("error:Servlet.service() for servlet action threw exception java.lang.NullPointerException"); list.add("error:Exception in thread main java.lang.ArrayIndexOutOfBoundsException: 2"); list.add("error:NoSuchMethodError: com/starit/."); list.add("error:java.lang.NoClassDefFoundError: org/coffeesweet/test01/Test01"); list.add("error:java.lang.NoClassDefFoundError: org/coffeesweet/test01/Test01"); list.add("error:Java.lang.IllegalStateException"); list.add("error:Java.lang.IllegalMonitorStateException"); list.add("error:Java.lang.NegativeArraySizeException"); list.add("error:java.sql.SQLException: You have an error in your SQL syntax;"); list.add("error:Java.lang.TypeNotPresentException "); list.add("error:Java.lang.UnsupprotedOperationException "); list.add("error Java.lang.IndexOutOfBoundsException"); list.add("error Java.lang.ClassNotFoundException"); list.add("error java.lang.ExceptionInInitializerError "); list.add("error:java.lang.IncompatibleClassChangeError "); list.add("error:java.lang.LinkageError "); list.add("error:java.lang.OutOfMemoryError "); list.add("error java.lang.StackOverflowError"); list.add("error: java.lang.UnsupportedClassVersionError"); list.add("error java.lang.ClassCastException"); list.add("error: java.lang.CloneNotSupportedException"); list.add("error: java.lang.EnumConstantNotPresentException "); list.add("error java.lang.IllegalMonitorStateException "); list.add("error java.lang.IllegalStateException "); list.add("error java.lang.IndexOutOfBoundsException "); list.add("error java.lang.NumberFormatException "); list.add("error java.lang.RuntimeException "); list.add("error java.lang.TypeNotPresentException "); list.add("error MetaSpout.java:9: variable i might not have been initialized"); list.add("error MyEvaluator.java:1: class Test1 is public, should be declared in a file named Test1.java "); list.add("error Main.java:5: cannot find symbol "); list.add("error NoClassDefFoundError: asa wrong name: ASA "); list.add("error Test1.java:54: 'void' type not allowed here"); list.add("error Test5.java:8: missing return statement"); list.add("error:Next.java:66: cannot find symbol "); list.add("error symbol : method createTempFile(java.lang.String,java.lang.String,java.lang.String) "); list.add("error invalid method declaration; return type required"); list.add("error array required, but java.lang.String found"); list.add("error Exception in thread main java.lang.NumberFormatException: null 20. ."); list.add("error non-static method cannot be referenced from a static context"); list.add("error Main.java:5: non-static method fun1() cannot be referenced from a static context"); list.add("error continue outside of loop"); list.add("error MyAbstract.java:6: missing method body, or declare abstract"); list.add("error Main.java:6: Myabstract is abstract; cannot be instantiated"); list.add("error MyInterface.java:2: interface methods cannot have body "); list.add("error Myabstract is abstract; cannot be instantiated"); list.add("error asa.java:3: modifier static not allowed here"); list.add("error possible loss of precision found: long required:byte var=varlong"); list.add("error java.lang.NegativeArraySizeException "); list.add("error java.lang.ArithmeticException: by zero"); list.add("error java.lang.ArithmeticException"); list.add("error java.lang.ArrayIndexOutOfBoundsException"); list.add("error java.lang.ClassNotFoundException"); list.add("error java.lang.IllegalArgumentException"); list.add("error fatal error C1010: unexpected end of file while looking for precompiled header directive"); list.add("error fatal error C1083: Cannot open include file: R…….h: No such file or directory"); list.add("error C2011:C……clas type redefinition"); list.add("error C2018: unknown character 0xa3"); list.add("error C2057: expected constant expression"); list.add("error C2065: IDD_MYDIALOG : undeclared identifier IDD_MYDIALOG"); list.add("error C2082: redefinition of formal parameter bReset"); list.add("error C2143: syntax error: missing : before "); list.add("error C2146: syntax error : missing ';' before identifier dc"); list.add("error C2196: case value '69' already used"); list.add("error C2509: 'OnTimer' : member function not declared in 'CHelloView'"); list.add("error C2555: 'B::f1': overriding virtual function differs from 'A::f1' only by return type or calling convention"); list.add("error C2511: 'reset': overloaded member function 'void (int)' not found in 'B'"); list.add("error C2660: 'SetTimer' : function does not take 2 parameters"); list.add("error warning C4035: 'f……': no return value"); list.add("error warning C4553: '= =' : operator has no effect; did you intend '='"); list.add("error C4716: 'CMyApp::InitInstance' : must return a value"); list.add("error LINK : fatal error LNK1168: cannot open Debug/P1.exe for writing"); list.add("error LNK2001: unresolved external symbol public: virtual _ _thiscall C (void)"); list.add("error java.lang.IllegalArgumentException: Path index.jsp does not start with"); list.add("error org.apache.struts.action.ActionServlet.process(ActionServlet.java:148"); list.add("error org.apache.jasper.JasperException: Exception in JSP"); list.add("error The server encountered an internal error () that prevented it from fulfilling this request"); list.add("error org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:467"); list.add("error javax.servlet.http.HttpServlet.service(HttpServlet.java:803)"); list.add("error javax.servlet.jsp.JspException: Cannot find message resources under key org.apache.struts.action.MESSAGE"); list.add("error Stacktrace: org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:467)"); list.add("error javax.servlet.ServletException: Cannot find bean org.apache.struts.taglib.html.BEAN in any scope"); list.add("error no data found"); list.add("error exception in thread main org.hibernate.MappingException: Unknown entity:."); list.add("error using namespace std;"); list.add("error C2065: 'cout' : undeclared identifier"); list.add("error main already defined in aaa.obj"); list.add("error syntax error : missing ';' before '}'"); list.add("error cout : undeclared identifier"); list.add("error weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.run(WebAp "); list.add("error Caused by: java.lang.reflect.InvocationTargetException"); list.add("error Caused by: java.lang.NoClassDefFoundError: com/starit/gejie/dao/SysNameDao"); list.add("error at com.starit.gejie.Util.Trans.BL_getSysNamesByType(Trans.java:220)"); return list; }}MyDailyRollingFileAppender的代碼如下：
package cn.com.toto.stromlogpro.log4j;/** * Created by toto on 2017/6/25. */import org.apache.log4j.DailyRollingFileAppender;import org.apache.log4j.Priority;/** * @author tuzq * @create 2017-06-25 13:58 */public class MyDailyRollingFileAppender extends DailyRollingFileAppender { @Override public boolean isAsSevereAsThreshold(Priority priority) { return getThreshold().equals(priority); }}MyRollingFileAppender的代碼如下：
package cn.com.toto.stromlogpro.log4j;/** * Created by toto on 2017/6/25. */import org.apache.log4j.Priority;import org.apache.log4j.RollingFileAppender;/** * @author tuzq * @create 2017-06-25 14:01 */public class MyRollingFileAppender extends RollingFileAppender { @Override public boolean isAsSevereAsThreshold(Priority priority) { return getThreshold().equals(priority); }}
a1.sources = r1a1.channels = c1a1.sinks = k1a1.sources.r1.type = execa1.sources.r1.command = tail -F /export/data/flume_sources/click_log/info.loga1.sources.r1.channels = c1a1.sources.r1.interceptors = i1a1.sources.r1.interceptors.i1.type = cn.com.toto.stromlogpro.flume.AppInterceptor$AppInterceptorBuilder#通過這個參數向自定義的Flume攔截器中傳遞參數（即系統(tǒng)編號）a1.sources.r1.interceptors.i1.appId = 1a1.channels.c1.type=memorya1.channels.c1.capacity=10000a1.channels.c1.transactionCapacity=100a1.sinks.k1.type = org.apache.flume.sink.kafka.KafkaSinka1.sinks.k1.topic = log_monitora1.sinks.k1.brokerList = hadoop1:9092a1.sinks.k1.requiredAcks = 1a1.sinks.k1.batchSize = 20a1.sinks.k1.channel = c1