Program: 135705
Project: 135705
Buggy source:
public CertificateManagerService(AaaCertServiceConfig aaaCertServiceConfig,final DataBroker dataBroker,final AAAEncryptionService encryptionSrv){
  if (aaaCertServiceConfig == null) {
    throw new IllegalArgumentException("String_Node_Str" + aaaCertServiceConfig.toString());
  }
  if (aaaCertServiceConfig.isUseConfig()) {
    if (aaaCertServiceConfig.getCtlKeystore() != null && aaaCertServiceConfig.getCtlKeystore().getStorePassword() != null && aaaCertServiceConfig.getCtlKeystore().getStorePassword().isEmpty()) {
      LOG.debug("String_Node_Str");
      final String ctlPwd=RandomStringUtils.random(PWD_LENGTH,true,true);
      final String trustPwd=RandomStringUtils.random(PWD_LENGTH,true,true);
      updateCertManagerSrvConfig(ctlPwd,trustPwd);
      final CtlKeystore ctlKeystore=new CtlKeystoreBuilder(aaaCertServiceConfig.getCtlKeystore()).setStorePassword(ctlPwd).build();
      final TrustKeystore trustKeystore=new TrustKeystoreBuilder(aaaCertServiceConfig.getTrustKeystore()).setStorePassword(trustPwd).build();
      aaaCertServiceConfig=new AaaCertServiceConfigBuilder(aaaCertServiceConfig).setCtlKeystore(ctlKeystore).setTrustKeystore(trustKeystore).build();
    }
    if (aaaCertServiceConfig.isUseMdsal()) {
      aaaCertProvider=new DefaultMdsalSslData(new AaaCertMdsalProvider(dataBroker,encryptionSrv),aaaCertServiceConfig.getBundleName(),aaaCertServiceConfig.getCtlKeystore(),aaaCertServiceConfig.getTrustKeystore());
      LOG.debug("String_Node_Str");
    }
 else {
      aaaCertProvider=new AaaCertProvider(aaaCertServiceConfig.getCtlKeystore(),aaaCertServiceConfig.getTrustKeystore());
      LOG.debug("String_Node_Str");
    }
    aaaCertProvider.createKeyStores();
    LOG.info("String_Node_Str");
  }
 else {
    aaaCertProvider=null;
    LOG.info("String_Node_Str" + "String_Node_Str");
  }
}

Fixed version (ground truth):
public CertificateManagerService(AaaCertServiceConfig aaaCertServiceConfig,final DataBroker dataBroker,final AAAEncryptionService encryptionSrv){
  if (aaaCertServiceConfig == null) {
    throw new IllegalArgumentException("String_Node_Str");
  }
  if (aaaCertServiceConfig.isUseConfig()) {
    if (aaaCertServiceConfig.getCtlKeystore() != null && aaaCertServiceConfig.getCtlKeystore().getStorePassword() != null && aaaCertServiceConfig.getCtlKeystore().getStorePassword().isEmpty()) {
      LOG.debug("String_Node_Str");
      final String ctlPwd=RandomStringUtils.random(PWD_LENGTH,true,true);
      final String trustPwd=RandomStringUtils.random(PWD_LENGTH,true,true);
      updateCertManagerSrvConfig(ctlPwd,trustPwd);
      final CtlKeystore ctlKeystore=new CtlKeystoreBuilder(aaaCertServiceConfig.getCtlKeystore()).setStorePassword(ctlPwd).build();
      final TrustKeystore trustKeystore=new TrustKeystoreBuilder(aaaCertServiceConfig.getTrustKeystore()).setStorePassword(trustPwd).build();
      aaaCertServiceConfig=new AaaCertServiceConfigBuilder(aaaCertServiceConfig).setCtlKeystore(ctlKeystore).setTrustKeystore(trustKeystore).build();
    }
    if (aaaCertServiceConfig.isUseMdsal()) {
      aaaCertProvider=new DefaultMdsalSslData(new AaaCertMdsalProvider(dataBroker,encryptionSrv),aaaCertServiceConfig.getBundleName(),aaaCertServiceConfig.getCtlKeystore(),aaaCertServiceConfig.getTrustKeystore());
      LOG.debug("String_Node_Str");
    }
 else {
      aaaCertProvider=new AaaCertProvider(aaaCertServiceConfig.getCtlKeystore(),aaaCertServiceConfig.getTrustKeystore());
      LOG.debug("String_Node_Str");
    }
    aaaCertProvider.createKeyStores();
    LOG.info("String_Node_Str");
  }
 else {
    aaaCertProvider=null;
    LOG.info("String_Node_Str" + "String_Node_Str");
  }
}