<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0" /> <base href="http://jira.qos.ch" />
<title>Message Title</title>
</head>
<body class="jira" style="color: #333; font-family: Arial, sans-serif; font-size: 14px; line-height: 1.429">
<table id="background-table" cellpadding="0" cellspacing="0" width="100%" style="border-collapse: collapse; mso-table-lspace: 0pt; mso-table-rspace: 0pt; background-color: #f5f5f5; border-collapse: collapse; mso-table-lspace: 0pt; mso-table-rspace: 0pt">
<!-- header here -->
<tr>
<td id="header-pattern-container" style="padding: 0px; border-collapse: collapse; padding: 10px 20px">
<table id="header-pattern" cellspacing="0" cellpadding="0" border="0" style="border-collapse: collapse; mso-table-lspace: 0pt; mso-table-rspace: 0pt">
<tr>
<td id="header-avatar-image-container" valign="top" style="padding: 0px; border-collapse: collapse; vertical-align: top; width: 32px; padding-right: 8px"> <img id="header-avatar-image" class="image_fix" src="cid:jira-generated-image-avatar-2be9b9b2-b342-4cab-b9c2-3f88817fbab9" height="32" width="32" border="0" style="border-radius: 3px; vertical-align: top" />
</td>
<td id="header-text-container" valign="middle" style="padding: 0px; border-collapse: collapse; vertical-align: middle; font-family: Arial, sans-serif; font-size: 14px; line-height: 20px; mso-line-height-rule: exactly; mso-text-raise: 1px"> <a class="user-hover" rel="zhaojiangf" id="email_zhaojiangf" href="http://jira.qos.ch/secure/ViewProfile.jspa?name=zhaojiangf" style="color:#3b73af;; color: #3b73af; text-decoration: none">jeffreyzhao</a> <strong>commented</strong> on <a href="http://jira.qos.ch/browse/SLF4J-361" style="color: #3b73af; text-decoration: none"><img src="cid:jira-generated-image-static-bug-bf055280-f84c-4c5c-a47d-a86485586205" height="16" width="16" border="0" align="absmiddle" alt="Bug" /> SLF4J-361</a>
</td>
</tr>
</table>
</td>
</tr>
<tr>
<td id="email-content-container" style="padding: 0px; border-collapse: collapse; padding: 0 20px">
<table id="email-content-table" cellspacing="0" cellpadding="0" border="0" width="100%" style="border-collapse: collapse; mso-table-lspace: 0pt; mso-table-rspace: 0pt; border-spacing: 0; border-collapse: separate">
<tr>
<!-- there needs to be content in the cell for it to render in some clients -->
<td class="email-content-rounded-top mobile-expand" style="padding: 0px; border-collapse: collapse; color: #fff; padding: 0 15px 0 16px; height: 15px; background-color: #fff; border-left: 1px solid #ccc; border-top: 1px solid #ccc; border-right: 1px solid #ccc; border-bottom: 0; border-top-right-radius: 5px; border-top-left-radius: 5px; height: 10px; line-height: 10px; padding: 0 15px 0 16px; mso-line-height-rule: exactly">
</td>
</tr>
<tr>
<td class="email-content-main mobile-expand " style="padding: 0px; border-collapse: collapse; border-left: 1px solid #ccc; border-right: 1px solid #ccc; border-top: 0; border-bottom: 0; padding: 0 15px 0 16px; background-color: #fff">
<table class="page-title-pattern" cellspacing="0" cellpadding="0" border="0" width="100%" style="border-collapse: collapse; mso-table-lspace: 0pt; mso-table-rspace: 0pt">
<tr>
<td style="vertical-align: top;; padding: 0px; border-collapse: collapse; padding-right: 5px; font-size: 20px; line-height: 30px; mso-line-height-rule: exactly" class="page-title-pattern-header-container"> <span class="page-title-pattern-header" style="font-family: Arial, sans-serif; padding: 0; font-size: 20px; line-height: 30px; mso-text-raise: 2px; mso-line-height-rule: exactly; vertical-align: middle"> <a href="http://jira.qos.ch/browse/SLF4J-361" style="color: #3b73af; text-decoration: none">Re: NullPointerException at org.slf4j.helpers.SubstituteLogger.isDelegateEventAware(SubstituteLogger.java:353)</a> </span>
</td>
</tr>
</table>
</td>
</tr>
<tr>
<td id="text-paragraph-pattern-top" class="email-content-main mobile-expand comment-top-pattern" style="padding: 0px; border-collapse: collapse; border-left: 1px solid #ccc; border-right: 1px solid #ccc; border-top: 0; border-bottom: 0; padding: 0 15px 0 16px; background-color: #fff; border-bottom: none; padding-bottom: 0">
<table class="text-paragraph-pattern" cellspacing="0" cellpadding="0" border="0" width="100%" style="border-collapse: collapse; mso-table-lspace: 0pt; mso-table-rspace: 0pt; font-family: Arial, sans-serif; font-size: 14px; line-height: 20px; mso-line-height-rule: exactly; mso-text-raise: 2px">
<tr>
<td class="text-paragraph-pattern-container mobile-resize-text " style="padding: 0px; border-collapse: collapse; padding: 0 0 10px 0">
<div class="code panel" style="border-width: 1px;; border: 1px solid #ccc; background: #f5f5f5; font-size: 12px; line-height: 1.333; font-family: monospace; border: 1px solid #ccc; -moz-border-radius: 3px 3px 3px 3px; border-radius: 3px 3px 3px 3px; margin: 9px 0">
<div class="codeContent panelContent" style="padding: 9px 12px">
<pre class="code-java" style="margin: 10px 0 0 0; max-height: 30em; overflow: auto; white-space: pre-wrap; word-wrap: normal">
```java
/**
* Return the {@link ILoggerFactory} instance in use.
* <p/>
* <p/>
* ILoggerFactory instance is bound with <span class="code-keyword" style="color: #000091">this</span> class at compile time.
*
* @<span class="code-keyword" style="color: #000091">return</span> the ILoggerFactory instance in use
*/
<span class="code-keyword" style="color: #000091">public</span> <span class="code-keyword" style="color: #000091">static</span> ILoggerFactory getILoggerFactory() {
<span class="code-keyword" style="color: #000091">if</span> (INITIALIZATION_STATE == UNINITIALIZED) {
<span class="code-keyword" style="color: #000091">synchronized</span> (LoggerFactory.class) {
<span class="code-keyword" style="color: #000091">if</span> (INITIALIZATION_STATE == UNINITIALIZED) {
INITIALIZATION_STATE = ONGOING_INITIALIZATION;
performInitialization();
}
}
}
<span class="code-keyword" style="color: #000091">switch</span> (INITIALIZATION_STATE) {
<span class="code-keyword" style="color: #000091">case</span> SUCCESSFUL_INITIALIZATION:
<span class="code-keyword" style="color: #000091">return</span> StaticLoggerBinder.getSingleton().getLoggerFactory();
<span class="code-keyword" style="color: #000091">case</span> NOP_FALLBACK_INITIALIZATION:
<span class="code-keyword" style="color: #000091">return</span> NOP_FALLBACK_FACTORY;
<span class="code-keyword" style="color: #000091">case</span> FAILED_INITIALIZATION:
<span class="code-keyword" style="color: #000091">throw</span> <span class="code-keyword" style="color: #000091">new</span> IllegalStateException(UNSUCCESSFUL_INIT_MSG);
<span class="code-keyword" style="color: #000091">case</span> ONGOING_INITIALIZATION:
<span class="code-comment" style="color: #808080">// support re-entrant behavior.
</span> <span class="code-comment" style="color: #808080">// See also http://jira.qos.ch/browse/SLF4J-97
</span> <span class="code-keyword" style="color: #000091">return</span> SUBST_FACTORY;
}
<span class="code-keyword" style="color: #000091">throw</span> <span class="code-keyword" style="color: #000091">new</span> IllegalStateException(<span class="code-quote" style="color: #009100">"Unreachable code"</span>);
}
```
```java
<span class="code-keyword" style="color: #000091">private</span> <span class="code-keyword" style="color: #000091">final</span> <span class="code-keyword" style="color: #000091">static</span> void bind() {
<span class="code-keyword" style="color: #000091">try</span> {
Set<URL> staticLoggerBinderPathSet = <span class="code-keyword" style="color: #000091">null</span>;
<span class="code-comment" style="color: #808080">// skip check under android, see also http://jira.qos.ch/browse/SLF4J-328
</span> <span class="code-keyword" style="color: #000091">if</span> (!isAndroid()) {
staticLoggerBinderPathSet = findPossibleStaticLoggerBinderPathSet();
reportMultipleBindingAmbiguity(staticLoggerBinderPathSet);
}
<span class="code-comment" style="color: #808080">// the next line does the binding
</span> StaticLoggerBinder.getSingleton();
INITIALIZATION_STATE = SUCCESSFUL_INITIALIZATION;
reportActualBinding(staticLoggerBinderPathSet);
fixSubstitutedLoggers();
playRecordedEvents();
SUBST_FACTORY.clear();
} <span class="code-keyword" style="color: #000091">catch</span> (NoClassDefFoundError ncde) {
<span class="code-object" style="color: #910091">String</span> msg = ncde.getMessage();
<span class="code-keyword" style="color: #000091">if</span> (messageContainsOrgSlf4jImplStaticLoggerBinder(msg)) {
INITIALIZATION_STATE = NOP_FALLBACK_INITIALIZATION;
Util.report(<span class="code-quote" style="color: #009100">"Failed to load class \"</span>org.slf4j.impl.StaticLoggerBinder\<span class="code-quote" style="color: #009100">"."</span>);
Util.report(<span class="code-quote" style="color: #009100">"Defaulting to no-operation (NOP) logger implementation"</span>);
Util.report(<span class="code-quote" style="color: #009100">"See "</span> + NO_STATICLOGGERBINDER_URL + <span class="code-quote" style="color: #009100">" <span class="code-keyword" style="color: #000091; color: #009100">for</span> further details."</span>);
} <span class="code-keyword" style="color: #000091">else</span> {
failedBinding(ncde);
<span class="code-keyword" style="color: #000091">throw</span> ncde;
}
} <span class="code-keyword" style="color: #000091">catch</span> (java.lang.NoSuchMethodError nsme) {
<span class="code-object" style="color: #910091">String</span> msg = nsme.getMessage();
<span class="code-keyword" style="color: #000091">if</span> (msg != <span class="code-keyword" style="color: #000091">null</span> && msg.contains(<span class="code-quote" style="color: #009100">"org.slf4j.impl.StaticLoggerBinder.getSingleton()"</span>)) {
INITIALIZATION_STATE = FAILED_INITIALIZATION;
Util.report(<span class="code-quote" style="color: #009100">"slf4j-api 1.6.x (or later) is incompatible with <span class="code-keyword" style="color: #000091; color: #009100">this</span> binding."</span>);
Util.report(<span class="code-quote" style="color: #009100">"Your binding is version 1.5.5 or earlier."</span>);
Util.report(<span class="code-quote" style="color: #009100">"Upgrade your binding to version 1.6.x."</span>);
}
<span class="code-keyword" style="color: #000091">throw</span> nsme;
} <span class="code-keyword" style="color: #000091">catch</span> (Exception e) {
failedBinding(e);
<span class="code-keyword" style="color: #000091">throw</span> <span class="code-keyword" style="color: #000091">new</span> IllegalStateException(<span class="code-quote" style="color: #009100">"Unexpected initialization failure"</span>, e);
}
}
```
```java
<span class="code-keyword" style="color: #000091">private</span> <span class="code-keyword" style="color: #000091">static</span> void playRecordedEvents() {
List<SubstituteLoggingEvent> events = SUBST_FACTORY.getEventList();
<span class="code-keyword" style="color: #000091">if</span> (events.isEmpty()) {
<span class="code-keyword" style="color: #000091">return</span>;
}
<span class="code-keyword" style="color: #000091">for</span> (<span class="code-object" style="color: #910091">int</span> i = 0; i < events.size(); i++) {
SubstituteLoggingEvent event = events.get(i);
SubstituteLogger substLogger = event.getLogger();
<span class="code-keyword" style="color: #000091">if</span> (substLogger.isDelegateNOP()) {
<span class="code-keyword" style="color: #000091">break</span>;
} <span class="code-keyword" style="color: #000091">else</span> <span class="code-keyword" style="color: #000091">if</span> (substLogger.isDelegateEventAware()) {
<span class="code-keyword" style="color: #000091">if</span> (i == 0)
emitReplayWarning(events.size());
substLogger.log(event);
} <span class="code-keyword" style="color: #000091">else</span> {
<span class="code-keyword" style="color: #000091">if</span> (i == 0)
emitSubstitutionWarning();
Util.report(substLogger.getName());
}
}
}
<span class="code-keyword" style="color: #000091">private</span> <span class="code-keyword" style="color: #000091">final</span> <span class="code-keyword" style="color: #000091">static</span> void fixSubstitutedLoggers() {
List<SubstituteLogger> loggers = SUBST_FACTORY.getLoggers();
<span class="code-keyword" style="color: #000091">if</span> (loggers.isEmpty()) {
<span class="code-keyword" style="color: #000091">return</span>;
}
<span class="code-keyword" style="color: #000091">for</span> (SubstituteLogger subLogger : loggers) {
Logger logger = getLogger(subLogger.getName());
subLogger.setDelegate(logger);
}
}
```
```java
<span class="code-keyword" style="color: #000091">public</span> class SubstituteLogger <span class="code-keyword" style="color: #000091">implements</span> Logger {
…………………………
<span class="code-keyword" style="color: #000091">public</span> SubstituteLogger(<span class="code-object" style="color: #910091">String</span> name, List<SubstituteLoggingEvent> eventList) {
<span class="code-keyword" style="color: #000091">this</span>.name = name;
<span class="code-keyword" style="color: #000091">this</span>.eventList = eventList;
}
<span class="code-keyword" style="color: #000091">public</span> void debug(<span class="code-object" style="color: #910091">String</span> msg) {
delegate().debug(msg);
}
…………………………
/**
* Return the delegate logger instance <span class="code-keyword" style="color: #000091">if</span> set. Otherwise, <span class="code-keyword" style="color: #000091">return</span> a {@link NOPLogger}
* instance.
*/
Logger delegate() {
<span class="code-keyword" style="color: #000091">return</span> _delegate != <span class="code-keyword" style="color: #000091">null</span> ? _delegate : getEventRecordingLogger();
}
<span class="code-keyword" style="color: #000091">private</span> Logger getEventRecordingLogger() {
<span class="code-keyword" style="color: #000091">if</span> (eventRecodingLogger == <span class="code-keyword" style="color: #000091">null</span>) {
eventRecodingLogger = <span class="code-keyword" style="color: #000091">new</span> EventRecodingLogger(<span class="code-keyword" style="color: #000091">this</span>, eventList);
}
<span class="code-keyword" style="color: #000091">return</span> eventRecodingLogger;
}
/**
* Typically called after the {@link org.slf4j.LoggerFactory} initialization phase is completed.
* @param delegate
*/
<span class="code-keyword" style="color: #000091">public</span> void setDelegate(Logger delegate) {
<span class="code-keyword" style="color: #000091">this</span>._delegate = delegate;
}
<span class="code-keyword" style="color: #000091">public</span> <span class="code-object" style="color: #910091">boolean</span> isDelegateEventAware() {
<span class="code-keyword" style="color: #000091">if</span> (delegateEventAware != <span class="code-keyword" style="color: #000091">null</span>)
<span class="code-keyword" style="color: #000091">return</span> delegateEventAware;
<span class="code-keyword" style="color: #000091">try</span> {
logMethodCache = _delegate.getClass().getMethod(<span class="code-quote" style="color: #009100">"log"</span>, LoggingEvent.class);
delegateEventAware = <span class="code-object" style="color: #910091">Boolean</span>.TRUE;
} <span class="code-keyword" style="color: #000091">catch</span> (NoSuchMethodException e) {
delegateEventAware = <span class="code-object" style="color: #910091">Boolean</span>.FALSE;
}
<span class="code-keyword" style="color: #000091">return</span> delegateEventAware;
}
}
```
</pre>
</div>
</div>
</td>
</tr>
</table>
</td>
</tr>
<tr>
<td class="email-content-main mobile-expand " style="padding: 0px; border-collapse: collapse; border-left: 1px solid #ccc; border-right: 1px solid #ccc; border-top: 0; border-bottom: 0; padding: 0 15px 0 16px; background-color: #fff">
<table id="actions-pattern" cellspacing="0" cellpadding="0" border="0" width="100%" style="border-collapse: collapse; mso-table-lspace: 0pt; mso-table-rspace: 0pt; font-family: Arial, sans-serif; font-size: 14px; line-height: 20px; mso-line-height-rule: exactly; mso-text-raise: 1px">
<tr>
<td id="actions-pattern-container" valign="middle" style="padding: 0px; border-collapse: collapse; padding: 10px 0 10px 24px; vertical-align: middle; padding-left: 0">
<table align="left" style="border-collapse: collapse; mso-table-lspace: 0pt; mso-table-rspace: 0pt">
<tr>
<td class="actions-pattern-action-icon-container" style="padding: 0px; border-collapse: collapse; font-family: Arial, sans-serif; font-size: 14px; line-height: 20px; mso-line-height-rule: exactly; mso-text-raise: 0px; vertical-align: middle"> <a href="http://jira.qos.ch/browse/SLF4J-361#add-comment" target="_blank" title="Add Comment" style="color: #3b73af; text-decoration: none"> <img class="actions-pattern-action-icon-image" src="cid:jira-generated-image-static-comment-icon-a120731c-a662-4d71-bf67-15bc5eebad33" alt="Add Comment" title="Add Comment" height="16" width="16" border="0" style="vertical-align: middle" /> </a>
</td>
<td class="actions-pattern-action-text-container" style="padding: 0px; border-collapse: collapse; font-family: Arial, sans-serif; font-size: 14px; line-height: 20px; mso-line-height-rule: exactly; mso-text-raise: 4px; padding-left: 5px"> <a href="http://jira.qos.ch/browse/SLF4J-361#add-comment" target="_blank" title="Add Comment" style="color: #3b73af; text-decoration: none">Add Comment</a>
</td>
</tr>
</table>
</td>
</tr>
</table>
</td>
</tr>
<!-- there needs to be content in the cell for it to render in some clients -->
<tr>
<td class="email-content-rounded-bottom mobile-expand" style="padding: 0px; border-collapse: collapse; color: #fff; padding: 0 15px 0 16px; height: 5px; line-height: 5px; background-color: #fff; border-top: 0; border-left: 1px solid #ccc; border-bottom: 1px solid #ccc; border-right: 1px solid #ccc; border-bottom-right-radius: 5px; border-bottom-left-radius: 5px; mso-line-height-rule: exactly">
</td>
</tr>
</table>
</td>
</tr>
<tr>
<td id="footer-pattern" style="padding: 0px; border-collapse: collapse; padding: 12px 20px">
<table id="footer-pattern-container" cellspacing="0" cellpadding="0" border="0" style="border-collapse: collapse; mso-table-lspace: 0pt; mso-table-rspace: 0pt">
<tr>
<td id="footer-pattern-text" class="mobile-resize-text" width="100%" style="padding: 0px; border-collapse: collapse; color: #999; font-size: 12px; line-height: 18px; font-family: Arial, sans-serif; mso-line-height-rule: exactly; mso-text-raise: 2px">
This message was sent by Atlassian JIRA <span id="footer-build-information">(v6.4.12#64027-<span title="e3691cc1283c0f3cef6d65d3ea82d47743692b57" data-commit-id="e3691cc1283c0f3cef6d65d3ea82d47743692b57}">sha1:e3691cc</span>)</span>
</td>
<td id="footer-pattern-logo-desktop-container" valign="top" style="padding: 0px; border-collapse: collapse; padding-left: 20px; vertical-align: top">
<table style="border-collapse: collapse; mso-table-lspace: 0pt; mso-table-rspace: 0pt">
<tr>
<td id="footer-pattern-logo-desktop-padding" style="padding: 0px; border-collapse: collapse; padding-top: 3px"> <img id="footer-pattern-logo-desktop" src="cid:jira-generated-image-static-footer-desktop-logo-34e8f969-4108-40c7-a0f2-bc9233f555d3" alt="Atlassian logo" title="Atlassian logo" width="169" height="36" class="image_fix" />
</td>
</tr>
</table>
</td>
</tr>
</table>
</td>
</tr>
</table>
</body>
</html>