Hi Denis, This "com.trend.iwss.jscan.appscan.runtime.PolicyRuntime" is available along with the JCS download. I guess JCS may be using it for some remoteCaching. But still the fact is, this api throws and exception when JCS tries to read System properties
Denis Pasek wrote: > > Hi, > > After a little bit more Google-Research I think you are using the Trend > Micro InterScan Web Security Suite (com.trend.iwss). This maybe the cause > of your problems (and not the IBM JVM which I blamed before). > > Cheers > > Denis > > > -----Ursprüngliche Nachricht----- > Von: Denis Pasek [mailto:[EMAIL PROTECTED] > Gesendet: Mittwoch, 11. Oktober 2006 09:04 > An: JCS Users List > Betreff: AW: > CompositeCacheManager.configure(CompositeCacheManager.java:282) - Null > pointer Exception > > HI, > > this is not a problem of JCS but a problem of the IBM runtime environment > accessing system properties. Just Google for > "com.trend.iwss.jscan.appscan.runtime.PolicyRuntime" and > "NullPointerException" and you'll find hits from people having the same > stacktrace with totally different configurations (with Velocity etc.). > As you can see the stacktrace does not end in JCS classes but in a third > party package not belonging to JCS or its dependencies. > > Cheers > > Denis > > > > -----Ursprüngliche Nachricht----- > Von: Anand Inbasekaran [mailto:[EMAIL PROTECTED] > Gesendet: Dienstag, 10. Oktober 2006 11:58 > An: jcs-users@jakarta.apache.org > Betreff: CompositeCacheManager.configure(CompositeCacheManager.java:282) - > Null pointer Exception > > > Hi, > > I am trying for long to fix this error but cant. I am using > WSAD with JRE 1.5 to compile. Have loaded all the required jars > commons,concurrent etc etc.I have the cache,ccf file in classes > directory > > > > > public class SummaryCacheController { > > > > > private static final String DELIMITER ="_"; > > > private static final String CACHENAME ="summaryCache"; > > private static final String OBJ_PREFIX ="summaryObj"; > > > > > //singleton Cache object > > private static SummaryCacheController instance; > > //to verify the Object instance count > > public static int checkedOut = 0; > > private static JCS summaryCache ; > > > > > private SummaryCacheController() > > > throws GISViewerException > > { > > try { > > JCS.setConfigFilename("/cache.ccf"); > > summaryCache = JCS.getInstance("summaryCache"); > > > > > } catch (Exception e) { > > e.printStackTrace(); > > //throw new GISViewerException("Exception in intialising > JCS Cache"); > > } > > > } > > > > > public static SummaryCacheController getInstance() > > throws GISViewerException > > { > > //For creating singleton object of summaryCache object > > synchronized (SummaryCacheController.class) > > { > > if (instance == null) > > { > > instance = new SummaryCacheController(); > > } > > } > > > > > synchronized (instance) > > { > > instance.checkedOut++; > > } > > > > > return instance; > > } > > > > > public List getFromCache( > > String eventName, > > String boundaryName, > > String thematicName) > > { > > //summaryObj will have the list if available in Cache or null if > not > > List summaryObj = null; > > String id = eventName + boundaryName + thematicName; > > System.out.println("to retrieve:" + id); > > > summaryObj = (List) summaryCache.get("summaryObj" + id); > > > return summaryObj; > > } > > > > > public void setInCache( > > String eventName, > > String boundaryName, > > String thematicName, > > List summaryObj) > > > throws GISViewerException > > > { > > String id = eventName + boundaryName + thematicName; > > try{ > > System.out.println("to put:" + id); > > summaryCache.put("summaryObj" + id, summaryObj); > > } > > catch(Exception e) > > { > > e.printStackTrace(); > > //throw new GISViewerException("Exception in retrieving JCS > Cache"); > > } > > > > > } > > > > > public void clearCache() > > > throws GISViewerException > > { > > try { > > summaryCache.clear(); > > } catch (CacheException e) { > > e.printStackTrace(); > > //throw new GISViewerException("Exception in clearing JCS > Cache"); > > } > > } > > } > > > > > > > > The code is similar to example given in JCS website. But when I > > > public class SummaryCacheTestStub { > > public static void main(String[] args) > > { > > try { > > SummaryCacheController sControl = > SummaryCacheController.getInstance(); > > > > > I get an exception > > > > > log4j:WARN No appenders could be found for logger > (org.apache.jcs.engine.control.CompositeCacheManager). > > log4j:WARN Please initialize the log4j system properly. > > java.lang.NullPointerException > > at > com.trend.iwss.jscan.appscan.runtime.PolicyRuntime.getB64StrProp(PolicyR > untime.java:188) > > at > com.trend.iwss.jscan.appscan.runtime.PolicyRuntime.<init>(PolicyRuntime. > java:91) > > at > com.trend.iwss.jscan.appscan.runtime.MiscPolicyRuntime.<init>(MiscPolicy > Runtime.java:132) > > at > com.trend.iwss.jscan.appscan.runtime.MiscPolicyRuntime$Factory.make(Misc > PolicyRuntime.java:254) > > at > com.trend.iwss.jscan.appscan.runtime.PolicyRuntime.accessInstance(Policy > Runtime.java:225) > > at > com.trend.iwss.jscan.appscan.runtime.PolicyRuntime.preFilter(PolicyRunti > me.java:127) > > at > com.trend.iwss.jscan.appscan.runtime.MiscPolicyRuntime.preFilter(MiscPol > icyRuntime.java:142) > > at > org.apache.jcs.engine.control.CompositeCacheManager.configure(CompositeC > acheManager.java:282) > > at > org.apache.jcs.engine.control.CompositeCacheManager.configure(CompositeC > acheManager.java:255) > > at > org.apache.jcs.engine.control.CompositeCacheManager.configure(CompositeC > acheManager.java:242) > > at org.apache.jcs.JCS.ensureCacheManager(JCS.java:105) > > at org.apache.jcs.JCS.getInstance(JCS.java:64) > > at > com.fpl.ocs.graphicalviewer.objectmodel.summary.SummaryCacheController.< > init>(SummaryCacheController.java:59) > > at > com.fpl.ocs.graphicalviewer.objectmodel.summary.SummaryCacheController.g > etInstance(SummaryCacheController.java:75)1 > > > > > at > com.fpl.ocs.graphicalviewer.objectmodel.summary.SummaryCacheTestStub.mai > n(SummaryCacheTestStub.java:25) > > > > > > > > Could someone please help me resolve this!! > > > > > > > > Thanks and Regards > > Anand Inbasekaran > > > > > > > **************** CAUTION - Disclaimer ***************** > This e-mail contains PRIVILEGED AND CONFIDENTIAL INFORMATION intended > solely for the use of the addressee(s). 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