java crash_Java Crash while downloading File

向右看齐 2022-11-12 02:36 175阅读 0赞

I want do download a big .jar file from my own Server. (https://luis.team) There for I made a thread to download it, because it is very huge. Here is my code for download:

public Update(String version, File outputFile) \{

URL url;

URLConnection connection = null;

try \{

url = new URL("https://raw.githubusercontent.com/Luuuuuis/InstantVerify/master/version");

connection = url.openConnection();

\} catch (IOException e1) \{

e1.printStackTrace();

\}

assert connection != null;

try (BufferedReader in = new BufferedReader(new InputStreamReader(connection.getInputStream()))) \{

String\[\] versionCode = in.readLine().split("&&");

if (!(versionCode\[0\].equalsIgnoreCase(version))) \{

/\*

\* Download from URL given in version file

\*/

if(versionCode\[1\] != null && !versionCode\[1\].equalsIgnoreCase("null")) \{

Thread th = new Thread(() -> \{

try \{

URL downloadURL = new URL(versionCode\[1\]);

URLConnection urlConnection = downloadURL.openConnection();

urlConnection.setRequestProperty("User-Agent", "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/56.0.2924.87 Safari/537.36");

InputStream inputStream = urlConnection.getInputStream();

OutputStream outputStream = new FileOutputStream(outputFile);

byte\[\] buffer = new byte\[1024\];

int length;

while ((length = inputStream.read(buffer)) != -1) \{

outputStream.write(buffer, 0, length);

\}

inputStream.close();

outputStream.close();

InstantVerify.version += " (outdated)";

\} catch (Exception ex) \{

ex.printStackTrace();

\}

\});

th.start();

\}

\} else \{

InstantVerify.version += " (latest)";

\}

\} catch (IOException ex) \{

ex.printStackTrace();

\}

\}

After this I get a very little file(around 30MB) and an Java Runtime Error:

A fatal error has been detected by the Java Runtime Environment:

SIGBUS (0x7) at pc=0x00007f8fd9b5ed10, pid=14021, tid=0x00007f8fa5b56700

JRE version: Java(TM) SE Runtime Environment (8.0\_201-b09) (build 1.8.0\_201-

b09)

Java VM: Java HotSpot(TM) 64-Bit Server VM (25.201-b09 mixed mode linux-

amd64 compressed oops)

Problematic frame:

C \[libzip.so+0x11d10\] newEntry.isra.4+0x60

Failed to write core dump. Core dumps have been disabled. To enable core

dumping, try "ulimit -c unlimited" before starting Java again

An error report file with more information is saved as:

/home/ServerTest/Bungee/hs\_err\_pid14021.log

Compiled method (nm) 6767 201 n 0

java.util.zip.ZipFile::getEntry (native)

total in heap \[0x00007f8fc517a510,0x00007f8fc517a868\] = 856

relocation \[0x00007f8fc517a638,0x00007f8fc517a678\] = 64

main code \[0x00007f8fc517a680,0x00007f8fc517a868\] = 488

If you would like to submit a bug report, please visit:

http://bugreport.java.com/bugreport/crash.jsp

The crash happened outside the Java Virtual Machine in native code.

See problematic frame for where to report the bug.

Aborted

I guess there is a issue with Memory Mapping in Java, because my root Server has only 2GB of RAM. What can I do do fix this? Thank you.

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