#vulnerable code 
                                public boolean pause(final String pid) throws IOException {
        if (!this.exists(pid)) {
            throw new IllegalArgumentException(
                new Par("Project %s doesn't exist").say(pid)
            );
        }
        try (final Item item = this.item()) {
            return !Boolean.parseBoolean(
                new Xocument(item.path()).xpath(
                    String.format(
                        "/catalog/project[@id='%s']/alive/text()",
                        pid
                    )
                ).get(0)
            );
        }
    } 
                            #location 4 
                            #vulnerability type RESOURCE_LEAK
#fixed code
                                public boolean pause(final String pid) throws IOException {
        this.checkExist(pid);
        try (final Item item = this.item()) {
            return !Boolean.parseBoolean(
                new Xocument(item.path()).xpath(
                    String.format(
                        "/catalog/project[@id='%s']/alive/text()",
                        pid
                    )
                ).get(0)
            );
        }
    }