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Fixes #4473 - Add logging to DefaultWebApplication for debugging purp…
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…oses
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@mnriem
mnriem committed Jan 7, 2025
1 parent 793c12c commit 7d44342
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Showing 4 changed files with 67 additions and 26 deletions.
4 changes: 2 additions & 2 deletions core/impl/pom.xml
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Original file line number Diff line number Diff line change
Expand Up @@ -32,12 +32,12 @@
<limit>
<counter>INSTRUCTION</counter>
<value>COVEREDRATIO</value>
<minimum>0.72</minimum>
<minimum>0.71</minimum>
</limit>
<limit>
<counter>BRANCH</counter>
<value>COVEREDRATIO</value>
<minimum>0.59</minimum>
<minimum>0.58</minimum>
</limit>
</limits>
</rule>
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61 changes: 51 additions & 10 deletions core/impl/src/main/java/cloud/piranha/core/impl/DefaultWebApplication.java
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Original file line number Diff line number Diff line change
Expand Up @@ -98,6 +98,7 @@
import java.util.stream.Stream;
import cloud.piranha.core.api.WebApplicationManager;
import static java.lang.System.Logger.Level.INFO;
import static java.lang.System.Logger.Level.TRACE;
import java.util.Arrays;

/**
Expand Down Expand Up @@ -939,7 +940,9 @@ public String getVirtualServerName() {

@Override
public WebApplication initialize() {
LOGGER.log(DEBUG, "Initializing web application at {0}", contextPath);
if (LOGGER.isLoggable(TRACE)) {
LOGGER.log(TRACE, "Initializing web application at {0}", contextPath);
}
verifyState(SETUP, "Unable to initialize web application");
ClassLoader oldClassLoader = Thread.currentThread().getContextClassLoader();
try {
Expand All @@ -961,9 +964,15 @@ protected void initializeFilters() {
if (status == SETUP || status == DECLARED) {
List<String> filterNames = new ArrayList<>(filters.keySet());
filterNames.stream().map(filters::get).forEach(environment -> {
if (LOGGER.isLoggable(TRACE)) {
LOGGER.log(TRACE, "Initializing filter: {0}", environment.getFilterName());
}
try {
environment.initialize();
environment.getFilter().init(environment);
if (LOGGER.isLoggable(TRACE)) {
LOGGER.log(TRACE, "Initialized filter: {0}", environment.getFilterName());
}
} catch (Throwable e) {
LOGGER.log(WARNING, () -> "Unable to initialize filter: " + environment.getFilterName(), e);
environment.setStatus(UNAVAILABLE);
Expand All @@ -978,7 +987,9 @@ protected void initializeFilters() {
protected void initializeFinish() {
if (status == SETUP || status == DECLARED) {
status = INITIALIZED;
LOGGER.log(DEBUG, "Initialized web application at {0}", contextPath);
if (LOGGER.isLoggable(TRACE)) {
LOGGER.log(TRACE, "Initialized web application at {0}", contextPath);
}
}
if (status == ERROR) {
LOGGER.log(WARNING, () -> "An error occurred initializing webapplication at " + contextPath);
Expand All @@ -991,6 +1002,9 @@ protected void initializeFinish() {
protected void initializeInitializers() {
boolean error = false;
for (ServletContainerInitializer initializer : initializers) {
if (LOGGER.isLoggable(TRACE)) {
LOGGER.log(TRACE, "Initializing initializer: {0}", initializer.getClass().getName());
}
try {
HandlesTypes annotation = initializer.getClass().getAnnotation(HandlesTypes.class);
Set<Class<?>> classes = Collections.emptySet();
Expand Down Expand Up @@ -1033,6 +1047,9 @@ protected void initializeInitializers() {
try {
source = initializer;
initializer.onStartup(classes, this);
if (LOGGER.isLoggable(TRACE)) {
LOGGER.log(TRACE, "Initialized initializer: {0}", initializer.getClass().getName());
}
} finally {
source = null;
}
Expand Down Expand Up @@ -1069,10 +1086,16 @@ protected void initializeInitializers() {
}
}

@SuppressWarnings("unchecked")
/**
* Initialize the Servlet.
*
* @param environment the Servlet environment.
*/
protected void initializeServlet(DefaultServletEnvironment environment) {
if (LOGGER.isLoggable(TRACE)) {
LOGGER.log(TRACE, "Initializing servlet: {0}", environment.servletName);
}
try {
LOGGER.log(DEBUG, "Initializing servlet: {0}", environment.servletName);
if (environment.getServlet() == null) {
Class<? extends Servlet> clazz = environment.getServletClass();
if (clazz == null) {
Expand All @@ -1088,7 +1111,10 @@ protected void initializeServlet(DefaultServletEnvironment environment) {
environment.setServlet(createServlet(clazz));
}
environment.getServlet().init(environment);
LOGGER.log(DEBUG, "Initialized servlet: {0}", environment.servletName);

if (LOGGER.isLoggable(TRACE)) {
LOGGER.log(TRACE, "Initialized servlet: {0}", environment.servletName);
}
} catch (Throwable e) {
LOGGER.log(WARNING, () -> "Unable to initialize servlet: " + environment.className, e);

Expand Down Expand Up @@ -1205,6 +1231,9 @@ public String removeServletMapping(String urlPattern) {

@Override
public void service(ServletRequest request, ServletResponse response) throws ServletException, IOException {
if (LOGGER.isLoggable(TRACE)) {
LOGGER.log(TRACE, "Servicing request: {0} and response: {1}", request, response);
}
verifyState(SERVICING, "Unable to service request");
verifyRequestResponseTypes(request, response);

Expand Down Expand Up @@ -1233,6 +1262,10 @@ public void service(ServletRequest request, ServletResponse response) throws Ser
WebConnection connection = new DefaultWebConnection(webAppRequest, webAppResponse);
webAppRequest.getUpgradeHandler().init(connection);
}

if (LOGGER.isLoggable(TRACE)) {
LOGGER.log(TRACE, "Serviced request: {0} and response: {1}", request, response);
}
}

@Override
Expand Down Expand Up @@ -1341,7 +1374,7 @@ public void setSessionTrackingModes(Set<SessionTrackingMode> sessionTrackingMode
checkServicing();
getManager().getHttpSessionManager().setSessionTrackingModes(sessionTrackingModes);
}

@Override
public void setStatus(Status status) {
this.status = status;
Expand All @@ -1359,19 +1392,27 @@ public void setWebApplicationRequestMapper(WebApplicationRequestMapper webApplic

@Override
public WebApplication start() {
LOGGER.log(DEBUG, "Starting web application at {0}", contextPath);
if (LOGGER.isLoggable(TRACE)) {
LOGGER.log(TRACE, "Starting web application at {0}", contextPath);
}
verifyState(INITIALIZED, "Unable to start servicing");
status = SERVICING;
LOGGER.log(DEBUG, "Started web application at {0}", contextPath);
if (LOGGER.isLoggable(TRACE)) {
LOGGER.log(TRACE, "Started web application at {0}", contextPath);
}
return this;
}

@Override
public WebApplication stop() {
LOGGER.log(DEBUG, "Stopping web application at {0}", contextPath);
if (LOGGER.isLoggable(TRACE)) {
LOGGER.log(TRACE, "Stopping web application at {0}", contextPath);
}
verifyState(SERVICING, "Unable to stop servicing");
status = INITIALIZED;
LOGGER.log(DEBUG, "Stopped web application at {0}", contextPath);
if (LOGGER.isLoggable(TRACE)) {
LOGGER.log(TRACE, "Stopped web application at {0}", contextPath);
}
return this;
}

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14 changes: 7 additions & 7 deletions http/webapp/src/main/java/cloud/piranha/http/webapp/HttpWebApplicationServer.java
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Original file line number Diff line number Diff line change
Expand Up @@ -91,7 +91,7 @@ public HttpWebApplicationServer() {
*/
public void addMapping(String servletContextName, String contextPath) {
if (LOGGER.isLoggable(TRACE)) {
LOGGER.log(TRACE, "Adding context path: %s for: %s", contextPath, servletContextName);
LOGGER.log(TRACE, "Adding context path: {0} for: {1}", contextPath, servletContextName);
}
for (WebApplication webApp : webApplications.values()) {
if (webApp.getServletContextName().equals(servletContextName)) {
Expand Down Expand Up @@ -125,7 +125,7 @@ public void initialize() {
try {
Thread.currentThread().setContextClassLoader(webApp.getClassLoader());
if (LOGGER.isLoggable(TRACE)) {
LOGGER.log(TRACE, "Initializing web application at: %s", webApp.getContextPath());
LOGGER.log(TRACE, "Initializing web application at: {0}", webApp.getContextPath());
}
webApp.initialize();
} finally {
Expand Down Expand Up @@ -155,7 +155,7 @@ public HttpServerProcessorEndState process(HttpServerRequest request, HttpServer
}

if (LOGGER.isLoggable(TRACE)) {
LOGGER.log(TRACE, "Processor end state: %s", state.name());
LOGGER.log(TRACE, "Processor end state: {0}", state.name());
}

return state;
Expand All @@ -182,13 +182,13 @@ public void service(WebApplicationRequest request, WebApplicationResponse respon
}

if (LOGGER.isLoggable(TRACE)) {
LOGGER.log(TRACE, "Request URI: %s", requestUri);
LOGGER.log(TRACE, "Request URI: {0}", requestUri);
}

WebApplication webApplication = requestMapper.findMapping(requestUri);
if (webApplication == null) {
if (LOGGER.isLoggable(TRACE)) {
LOGGER.log(TRACE, "No web application found for request URI: %s", requestUri);
LOGGER.log(TRACE, "No web application found for request URI: {0}", requestUri);
}
response.sendError(404);
return;
Expand All @@ -204,8 +204,8 @@ public void service(WebApplicationRequest request, WebApplicationResponse respon
response.setWebApplication(webApplication);

if (LOGGER.isLoggable(TRACE)) {
LOGGER.log(TRACE, "Context Path: %s", contextPath);
LOGGER.log(TRACE, "Servlet Path: %s", request.getServletPath());
LOGGER.log(TRACE, "Context Path: {0}", contextPath);
LOGGER.log(TRACE, "Servlet Path: {0}", request.getServletPath());
}

webApplication.service(request, response);
Expand Down
14 changes: 7 additions & 7 deletions ...webapp/src/main/java/cloud/piranha/http/webapp/HttpWebApplicationServerRequestMapper.java
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Original file line number Diff line number Diff line change
Expand Up @@ -77,7 +77,7 @@ public Set<String> addMapping(WebApplication webApplication, String... urlPatter
result.add(urlPattern);
} else {
if (LOGGER.isLoggable(TRACE)) {
LOGGER.log(TRACE, "Adding url pattern: %s", urlPattern);
LOGGER.log(TRACE, "Adding url pattern: {0}", urlPattern);
}
this.mappings.put(urlPattern, webApplication);
}
Expand All @@ -95,7 +95,7 @@ public Set<String> addMapping(WebApplication webApplication, String... urlPatter
@Override
public WebApplication findMapping(String path) {
if (LOGGER.isLoggable(TRACE)) {
LOGGER.log(TRACE, "Finding web application for: %s", path);
LOGGER.log(TRACE, "Finding web application for: {0}", path);
}
WebApplication result = null;
String mapping = findPrefixMatch(path);
Expand All @@ -104,9 +104,9 @@ public WebApplication findMapping(String path) {
}
if (LOGGER.isLoggable(TRACE)) {
if (result != null) {
LOGGER.log(TRACE, "Found web application at: %s", result.getContextPath());
LOGGER.log(TRACE, "Found web application at: {0}", result.getContextPath());
} else {
LOGGER.log(TRACE, "Unable to find web application for: %s", path);
LOGGER.log(TRACE, "Unable to find web application for: {0}", path);
}
}
return result;
Expand All @@ -120,7 +120,7 @@ public WebApplication findMapping(String path) {
*/
private String findPrefixMatch(String path) {
if (LOGGER.isLoggable(TRACE)) {
LOGGER.log(TRACE, "Find prefix for: %s", path);
LOGGER.log(TRACE, "Find prefix for: {0}", path);
}
String result = null;
String found;
Expand All @@ -136,9 +136,9 @@ private String findPrefixMatch(String path) {

if (LOGGER.isLoggable(TRACE)) {
if (result != null) {
LOGGER.log(TRACE, "Found prefix: %s", result);
LOGGER.log(TRACE, "Found prefix: {0}", result);
} else {
LOGGER.log(TRACE, "Unable to find prefix for: %s", path);
LOGGER.log(TRACE, "Unable to find prefix for: {0}", path);
}
}
return result;
Expand Down

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