Meu projeto está funcionando, mas não sei o que aconteceu por que. Estou tendo esse problema ao executar o aplicativo:

Avertissement: Failed to scan JAR [file:/C:/Users/TOSHIBA/Desktop/Nouveau%20dossier%20(3)/.metadata/.plugins/org.eclipse.wst.server.core/tmp0/wtpwebapps/1-BaseAppMaven/WEB-INF/lib/scala-library-2.10.4.jar] from WEB-INF/lib
java.util.zip.ZipException: error in opening zip file
    at java.util.zip.ZipFile.open(Native Method)
    at java.util.zip.ZipFile.<init>(Unknown Source)
    at java.util.zip.ZipFile.<init>(Unknown Source)
    at java.util.jar.JarFile.<init>(Unknown Source)
    at java.util.jar.JarFile.<init>(Unknown Source)
    at sun.net.www.protocol.jar.URLJarFile.<init>(Unknown Source)
    at sun.net.www.protocol.jar.URLJarFile.getJarFile(Unknown Source)
    at sun.net.www.protocol.jar.JarFileFactory.get(Unknown Source)
    at sun.net.www.protocol.jar.JarURLConnection.connect(Unknown Source)
    at sun.net.www.protocol.jar.JarURLConnection.getJarFile(Unknown Source)
    at org.apache.tomcat.util.scan.FileUrlJar.<init>(FileUrlJar.java:41)
    at org.apache.tomcat.util.scan.JarFactory.newInstance(JarFactory.java:34)
    at org.apache.catalina.startup.ContextConfig$FragmentJarScannerCallback.scan(ContextConfig.java:2615)
    at org.apache.tomcat.util.scan.StandardJarScanner.process(StandardJarScanner.java:258)
    at org.apache.tomcat.util.scan.StandardJarScanner.scan(StandardJarScanner.java:177)
    at org.apache.catalina.startup.ContextConfig.processJarsForWebFragments(ContextConfig.java:1871)
    at org.apache.catalina.startup.ContextConfig.webConfig(ContextConfig.java:1259)
    at org.apache.catalina.startup.ContextConfig.configureStart(ContextConfig.java:876)
    at org.apache.catalina.startup.ContextConfig.lifecycleEvent(Contex,tConfig.java:374)
    at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:117)
    at org.apache.catalina.util.LifecycleBase.fireLifecycleEvent(LifecycleBase.java:90)
    at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5355)
    at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
    at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1559)
    at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1549)
    at java.util.concurrent.FutureTask.run(Unknown Source)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
    at java.lang.Thread.run(Unknown Source)

O que posso fazer para resolver esse problema?