android上的Logback 2.0在I'；我正在运行单元测试
我转到了logback 2.0。当我运行单元测试（使用@Test）时，所有的测试都工作得很好。但是，它们给出了一个错误：android上的Logback 2.0在I'；我正在运行单元测试,android,unit-testing,nullpointerexception,testng,logback,Android,Unit Testing,Nullpointerexception,Testng,Logback,我转到了logback 2.0。当我运行单元测试（使用@Test）时，所有的测试都工作得很好。但是，它们给出了一个错误： Failed to instantiate [ch.qos.logback.classic.LoggerContext] Reported exception: java.lang.NullPointerException at ch.qos.logback.core.android.AndroidContextUtil.getMountedExternalStorageDi
Failed to instantiate [ch.qos.logback.classic.LoggerContext]
Reported exception:
java.lang.NullPointerException
at ch.qos.logback.core.android.AndroidContextUtil.getMountedExternalStorageDirectoryPath(Unknown Source)
at ch.qos.logback.core.android.AndroidContextUtil.setupProperties(Unknown Source)
at org.slf4j.impl.StaticLoggerBinder.init(Unknown Source)
at org.slf4j.impl.StaticLoggerBinder.<clinit>(Unknown Source)
at org.slf4j.LoggerFactory.bind(LoggerFactory.java:150)
at org.slf4j.LoggerFactory.performInitialization(LoggerFactory.java:124)
at org.slf4j.LoggerFactory.getILoggerFactory(LoggerFactory.java:412)
at org.slf4j.LoggerFactory.getLogger(LoggerFactory.java:357)
at org.slf4j.LoggerFactory.getLogger(LoggerFactory.java:383)
at com.accells.MyApplication.<clinit>(MyApplication.java:35)
at sun.reflect.GeneratedSerializationConstructorAccessor7.newInstance(Unknown Source)
at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
at org.objenesis.instantiator.sun.SunReflectionFactoryInstantiator.newInstance(SunReflectionFactoryInstantiator.java:45)
...
public static void configure(Context context, String logFileName) {
String appInfo = String.format(APP_INFO_PATTERN, AppUtils.getVersionName(context), CommunicationManager.API_VERSION, AppUtils.getAndroidVersion(), Build.MODEL);
String logPattern = LOG_PATTERN.replace("__app__info__", appInfo).replace("%pid", String.valueOf(android.os.Process.myPid()));
// since we want to reconfigure it
LoggerContext lc = (LoggerContext)LoggerFactory.getILoggerFactory();
lc.reset();
// add the newly created appenders to the root logger;
// qualify Logger to disambiguate from org.slf4j.Logger
ch.qos.logback.classic.Logger root = (ch.qos.logback.classic.Logger) LoggerFactory.getLogger(Logger.ROOT_LOGGER_NAME);
root.setLevel(BuildConfig.LOG_LEVEL);
// use encrypted
RollingFileAppender<ILoggingEvent> rollingFileAppender = new EncryptedLog4JAppender<>();
rollingFileAppender.setName("RollingFileAppender");
rollingFileAppender.setContext(lc);
rollingFileAppender.setFile(logFileName);
rollingFileAppender.setAppend(true);
rollingFileAppender.setImmediateFlush(true);
SizeBasedTriggeringPolicy<ILoggingEvent> triggeringPolicy = new SizeBasedTriggeringPolicy<>();
rollingFileAppender.setTriggeringPolicy(triggeringPolicy);
FileSize fileSize = new FileSize(FileSize.MB_COEFFICIENT);
triggeringPolicy.setMaxFileSize(fileSize);
triggeringPolicy.setContext(lc);
triggeringPolicy.start();
FixedWindowRollingPolicy fixedWindowRollingPolicy = new FixedWindowRollingPolicy();
rollingFileAppender.setRollingPolicy(fixedWindowRollingPolicy);
fixedWindowRollingPolicy.setContext(lc);
fixedWindowRollingPolicy.setMinIndex(0);
fixedWindowRollingPolicy.setMaxIndex(1);
fixedWindowRollingPolicy.setFileNamePattern(MyApplication.getInstance().getCacheFolder() + LOG_FILE_NAME_PATTERN);
fixedWindowRollingPolicy.setParent(rollingFileAppender);
fixedWindowRollingPolicy.setContext(lc);
fixedWindowRollingPolicy.start();
PatternLayoutEncoder encoder = new PatternLayoutEncoder();
encoder.setContext(lc);
encoder.setPattern(logPattern);
rollingFileAppender.setEncoder(encoder);
encoder.start();
rollingFileAppender.start();
root.addAppender(rollingFileAppender);
lc.start();
EnvironmentProxyHelper.getInstance().addLogCatIfNeed(lc, root, logPattern);
}
publicstaticvoid配置（上下文上下文，字符串logFileName）{
String appInfo=String.format（APP_INFO_模式，AppUtils.getVersionName（上下文），CommunicationManager.API_版本，AppUtils.getAndroidVersion（），Build.MODEL）；
String logPattern=LOG\u PATTERN.replace（“\uuuuu app\uuuu info”，appInfo）.replace（“%pid”，String.valueOf（android.os.Process.myPid（））；
//因为我们想重新配置它
LoggerContext lc=（LoggerContext）LoggerFactory.getILoggerFactory（）；
lc.reset（）；
//将新创建的appender添加到根记录器；
//限定记录器以消除org.slf4j.Logger中的歧义
ch.qos.logback.classic.Logger root=（ch.qos.logback.classic.Logger）LoggerFactory.getLogger（Logger.root\u Logger\u NAME）；
setLevel（BuildConfig.LOG_级别）；
//使用加密的
RollingFileAppender RollingFileAppender=newEncryptedLog4Jappender（）；
setName（“rollingFileAppender”）；
rollingFileAppender.setContext（lc）；
rollingFileAppender.setFile（日志文件名）；
rollingFileAppender.setAppend（true）；
rollingFileAppender.setImmediateFlush（true）；
SizeBadeTriggeringPolicy triggeringPolicy=新的SizeBadeTriggeringPolicy（）；
rollingFileAppender.setTriggeringPolicy（triggeringPolicy）；
FileSize FileSize=新文件大小（FileSize.MB_系数）；
triggeringPolicy.setMaxFileSize（fileSize）；
triggeringPolicy.setContext（lc）；
triggeringPolicy.start（）；
FixedWindowRollingPolicy FixedWindowRollingPolicy=新的FixedWindowRollingPolicy（）；
rollingFileAppender.setRollingPolicy（fixedWindowRollingPolicy）；
fixedWindowRollingPolicy.setContext（lc）；
fixedWindowRollingPolicy.setMinIndex（0）；
fixedWindowRollingPolicy.setMaxIndex（1）；
fixedWindowRollingPolicy.setFileNamePattern（MyApplication.getInstance（）.getCacheFolder（）+日志文件名模式）；
fixedWindowRollingPolicy.setParent（rollingFileAppender）；
fixedWindowRollingPolicy.setContext（lc）；
fixedWindowRollingPolicy.start（）；
PatternLayoutCoder编码器=新PatternLayoutCoder（）；
编码器.setContext（lc）；
编码器.setPattern（logPattern）；
rollingFileAppender.setEncoder（编码器）；
encoder.start（）；
rollingFileAppender.start（）；
addAppender（rollingFileAppender）；
lc.start（）；
EnvironmentProxyHelper.getInstance（）.addLogCatIfNeed（lc、root、logPattern）；
}
public static void configure(Context context, String logFileName) {
String appInfo = String.format(APP_INFO_PATTERN, AppUtils.getVersionName(context), CommunicationManager.API_VERSION, AppUtils.getAndroidVersion(), Build.MODEL);
String logPattern = LOG_PATTERN.replace("__app__info__", appInfo).replace("%pid", String.valueOf(android.os.Process.myPid()));
// since we want to reconfigure it
LoggerContext lc = (LoggerContext)LoggerFactory.getILoggerFactory();
lc.reset();
// add the newly created appenders to the root logger;
// qualify Logger to disambiguate from org.slf4j.Logger
ch.qos.logback.classic.Logger root = (ch.qos.logback.classic.Logger) LoggerFactory.getLogger(Logger.ROOT_LOGGER_NAME);
root.setLevel(BuildConfig.LOG_LEVEL);
// use encrypted
RollingFileAppender<ILoggingEvent> rollingFileAppender = new EncryptedLog4JAppender<>();
rollingFileAppender.setName("RollingFileAppender");
rollingFileAppender.setContext(lc);
rollingFileAppender.setFile(logFileName);
rollingFileAppender.setAppend(true);
rollingFileAppender.setImmediateFlush(true);
SizeBasedTriggeringPolicy<ILoggingEvent> triggeringPolicy = new SizeBasedTriggeringPolicy<>();
rollingFileAppender.setTriggeringPolicy(triggeringPolicy);
FileSize fileSize = new FileSize(FileSize.MB_COEFFICIENT);
triggeringPolicy.setMaxFileSize(fileSize);
triggeringPolicy.setContext(lc);
triggeringPolicy.start();
FixedWindowRollingPolicy fixedWindowRollingPolicy = new FixedWindowRollingPolicy();
rollingFileAppender.setRollingPolicy(fixedWindowRollingPolicy);
fixedWindowRollingPolicy.setContext(lc);
fixedWindowRollingPolicy.setMinIndex(0);
fixedWindowRollingPolicy.setMaxIndex(1);
fixedWindowRollingPolicy.setFileNamePattern(MyApplication.getInstance().getCacheFolder() + LOG_FILE_NAME_PATTERN);
fixedWindowRollingPolicy.setParent(rollingFileAppender);
fixedWindowRollingPolicy.setContext(lc);
fixedWindowRollingPolicy.start();
PatternLayoutEncoder encoder = new PatternLayoutEncoder();
encoder.setContext(lc);
encoder.setPattern(logPattern);
rollingFileAppender.setEncoder(encoder);
encoder.start();
rollingFileAppender.start();
root.addAppender(rollingFileAppender);
lc.start();
EnvironmentProxyHelper.getInstance().addLogCatIfNeed(lc, root, logPattern);
}