" + category + ": could not find class " + classname
+ " from file " + jarFile
+ "
" + errorText
+ url
+ "
");
return 1;
} else {
String location = getLocation(out, clazz);
if (location == null) {
out.write("Found " + axisOperation + " (" + classname + ")
");
} else {
out.write("Found " + axisOperation + " (" + classname + ")
at " + location + "
");
}
return 0;
}
} catch (NoClassDefFoundError ncdfe) {
String url = "";
if (homePage != null) {
url = "
See " + homePage + "";
}
out.write("
" + category + ": could not find a dependency"
+ " of class " + classname
+ " from file " + jarFile
+ "
" + errorText
+ url
+ "
The root cause was: " + ncdfe.getMessage()
+ "
This can happen e.g. if " + classname + " is in"
+ " the 'common' classpath, but a dependency like "
+ " activation.jar is only in the webapp classpath."
+ "
"); return 1; } } /** * get the location of a class * @param out * @param clazz * @return the jar file or path where a class was found */ String getLocation(JspWriter out, Class clazz) { try { java.net.URL url = clazz.getProtectionDomain().getCodeSource().getLocation(); String location = url.toString(); if (location.startsWith("jar")) { url = ((java.net.JarURLConnection) url.openConnection()).getJarFileURL(); location = url.toString(); } if (location.startsWith("file")) { java.io.File file = new java.io.File(url.getFile()); return file.getAbsolutePath(); } else { return url.toString(); } } catch (Throwable t) { } return "an unknown location"; } /** * a class we need if a class is missing * @param out stream to print stuff * @param classname class to look for * @param jarFile where this class comes from * @param errorText extra error text * @param homePage where to d/l the library * @throws IOException when needed * @return the number of missing libraries (0 or 1) */ int needClass(JspWriter out, String classname, String jarFile, String axisOperation, String errorText, String homePage) throws IOException { return probeClass(out, "Error", classname, jarFile, axisOperation, errorText, homePage); } /** * print warning message if a class is missing * @param out stream to print stuff * @param classname class to look for * @param jarFile where this class comes from * @param errorText extra error text * @param homePage where to d/l the library * @throws IOException when needed * @return the number of missing libraries (0 or 1) */ int wantClass(JspWriter out, String classname, String jarFile, String axisOperation, String errorText, String homePage) throws IOException { return probeClass(out, "Warning", classname, jarFile, axisOperation, errorText, homePage); } /** * probe for a resource existing, * @param out * @param resource * @param errorText * @throws Exception */ int wantResource(JspWriter out, String resource, String errorText) throws Exception { if (!resourceExists(resource)) { out.write("
Warning: could not find resource " + resource
+ "
"
+ errorText);
return 0;
} else {
out.write("found " + resource + "
");
return 1;
}
}
/**
* get servlet version string
*
*/
public String getServletVersion() {
ServletContext context = getServletConfig().getServletContext();
int major = context.getMajorVersion();
int minor = context.getMinorVersion();
return Integer.toString(major) + '.' + Integer.toString(minor);
}
/**
* what parser are we using.
* @return the classname of the parser
*/
private String getParserName() {
SAXParser saxParser = getSAXParser();
if (saxParser == null) {
return "Could not create an XML Parser";
}
// check to what is in the classname
return saxParser.getClass().getName();
}
/**
* Create a JAXP SAXParser
* @return parser or null for trouble
*/
private SAXParser getSAXParser() {
SAXParserFactory saxParserFactory = SAXParserFactory.newInstance();
if (saxParserFactory == null) {
return null;
}
SAXParser saxParser = null;
try {
saxParser = saxParserFactory.newSAXParser();
} catch (Exception e) {
}
return saxParser;
}
/**
* get the location of the parser
* @return path or null for trouble in tracking it down
*/
private String getParserLocation(JspWriter out) {
SAXParser saxParser = getSAXParser();
if (saxParser == null) {
return null;
}
return getLocation(out, saxParser.getClass());
}
private String value;
private OMElement createEnvelope() {
OMFactory fac = OMAbstractFactory.getOMFactory();
OMNamespace omNs = fac.createOMNamespace("http://axisversion.sample", "ns1");
OMElement method = fac.createOMElement("getVersion", omNs);
OMElement value = fac.createOMElement("myValue", omNs);
method.addChild(value);
return method;
}
public boolean invokeTheService() {
try {
// since this one is an internal request we do not use public frontendHostUrl
// for it
int lastindex = IP.lastIndexOf('/');
IP = IP.substring(0, lastindex);
///axis2/axis2-web/services/version
IP = IP.replaceAll("axis2-web", "");
OMElement payload = createEnvelope();
ConfigurationContext configctx =
ConfigurationContextFactory.createConfigurationContextFromFileSystem(null, null);
ServiceClient client = new ServiceClient(configctx, null);
EndpointReference targetEPR = new EndpointReference(IP + configctx.getServicePath() + "/Version");
Options options = new Options();
client.setOptions(options);
options.setTo(targetEPR);
options.setTransportInProtocol(Constants.TRANSPORT_HTTP);
OMElement result = client.sendReceive(payload);
StringWriter writer = new StringWriter();
result.serialize(XMLOutputFactory.newInstance().createXMLStreamWriter(writer));
writer.flush();
value = writer.toString();
return true;
} catch (AxisFault axisFault) {
System.out.println(value);
return false;
} catch (XMLStreamException e) {
value = e.getMessage();
return false;
}
}
public String getFormatedSystemProperty(String systemProperty){
if (systemProperty == null)
return "";
return systemProperty.replaceAll(":", ": ");
}
%>
Essential Components
<% int needed = 0,wanted = 0; /** * the essentials, without these Axis is not going to work */ needed = needClass(out, "org.apache.axis2.transport.http.AxisServlet", "axis2-1.0.jar", "Apache-Axis", "Axis2 will not work", "http://xml.apache.org/axis2/"); needed += needClass(out, "org.apache.commons.logging.Log", "commons-logging.jar", "Jakarta-Commons Logging", "Axis2 will not work", "http://jakarta.apache.org/commons/logging.html"); needed += needClass(out, "javax.xml.stream.XMLStreamReader", "stax-api-1.0.1.jar", "Streaming API for XML", "Axis2 will not work", "http://dist.codehaus.org/stax/jars/"); needed += needClass(out, "org.codehaus.stax2.XMLStreamWriter2", "wstx-asl-3.0.1.jar", "Streaming API for XML implementation", "Axis2 will not work", "http://dist.codehaus.org/stax/jars/"); %> <% /* * resources on the classpath path */ /* broken; this is a file, not a resource wantResource(out,"/server-config.wsdd", "There is no server configuration file;" +"run AdminClient to create one"); */ /* add more libraries here */ //is everything we need here if (needed == 0) { //yes, be happy out.write("The core axis2 libraries are present.
"); } else { //no, be very unhappy response.setStatus(HttpServletResponse.SC_INTERNAL_SERVER_ERROR); out.write("" + needed + " core axis2 librar" + (needed == 1 ? "y is" : "ies are") + " missing"); } //now look at wanted stuff %>Note: Even if everything this page probes for is present, there is no guarantee your Axis Service will work, because there are many configuration options that we do not check for. These tests are necessary but not sufficient
Found Axis2 default Version service and Axis2 is working properly.<% } else { %>Now you can drop a service archive in axis2/WEB-INF/services. Following output was produced while invoking Axis2 version service
<%= value%>
There was a problem in Axis2 version
service , may be the service not available or some thing has gone
wrong. But this does not mean system is not working ! Try to
upload some other service and check to see whether it is working.
Servlet version <%=getServletVersion()%> Platform <%=getServletConfig().getServletContext().getServerInfo()%>
");
out.write("| " + key + " | "); out.write("" + getFormatedSystemProperty(System.getProperty(key)) + " | "); out.write("
|---|---|
"); } else { out.write("System properties are not accessible
");
}
%>