output: #fixed code
                                  @Test
      void shouldSaveNewCert() throws Throwable
      {
          // Given
          int newPort = 200;
          BoltServerAddress address = new BoltServerAddress( knownServerIp, newPort );
          Logger logger = mock(Logger.class);
          TrustOnFirstUseTrustManager manager = new TrustOnFirstUseTrustManager( address, knownCertsFile, logger );
  
          String fingerprint = fingerprint( knownCertificate );
  
          // When
          manager.checkServerTrusted( new X509Certificate[]{knownCertificate}, null );
  
          // Then no exception should've been thrown, and we should've logged that we now trust this certificate
          verify( logger ).info( "Adding %s as known and trusted certificate for %s.", fingerprint, "1.2.3.4:200" );
  
          // And the file should contain the right info
          try ( Scanner reader = new Scanner( knownCertsFile ) )
          {
              String line1 = nextLine( reader );
              assertEquals( knownServer + " " + fingerprint, line1 );
              assertTrue( reader.hasNextLine() );
              String line2 = nextLine( reader );
              assertEquals( knownServerIp + ":" + newPort + " " + fingerprint, line2 );
          }
      }
input: #vulnerable code 
                                  @Test
      void shouldSaveNewCert() throws Throwable
      {
          // Given
          int newPort = 200;
          BoltServerAddress address = new BoltServerAddress( knownServerIp, newPort );
          Logger logger = mock(Logger.class);
          TrustOnFirstUseTrustManager manager = new TrustOnFirstUseTrustManager( address, knownCertsFile, logger );
  
          String fingerprint = fingerprint( knownCertificate );
  
          // When
          manager.checkServerTrusted( new X509Certificate[]{knownCertificate}, null );
  
          // Then no exception should've been thrown, and we should've logged that we now trust this certificate
          verify( logger ).info( "Adding %s as known and trusted certificate for %s.", fingerprint, "1.2.3.4:200" );
  
          // And the file should contain the right info
          Scanner reader = new Scanner( knownCertsFile );
  
          String line;
          line = nextLine( reader );
          assertEquals( knownServer + " " + fingerprint, line );
          assertTrue( reader.hasNextLine() );
          line = nextLine( reader );
          assertEquals( knownServerIp + ":" + newPort + " " + fingerprint, line );
      } 
                              #location 22 
                              #vulnerability type RESOURCE_LEAK