private void processFile(Cipher cipher,InputStream inputStream, OutputStream outputStream) throws EmprisException{
    byte[] tempInputBuffer = new byte[1024];
    int len;
    try {
        while ((len = inputStream.read(tempInputBuffer)) != -1) {
            byte[] tempOutputBuffer = cipher.update(tempInputBuffer, 0, len);
            if ( tempOutputBuffer != null ) outputStream.write(tempOutputBuffer);
        }

        byte[] obuf = cipher.doFinal();
        if ( obuf != null ) outputStream.write(obuf);
    }catch (IOException | IllegalBlockSizeException | BadPaddingException e) {
        e.printStackTrace();
    }catch (Exception e) {
        e.printStackTrace();
    }
}

java.lang.OutOfMemoryError: Java heap space
    at java.util.Arrays.copyOf(Arrays.java:3236)
    at java.io.ByteArrayOutputStream.grow(ByteArrayOutputStream.java:118)
    at java.io.ByteArrayOutputStream.ensureCapacity(ByteArrayOutputStream.java:93)
    at java.io.ByteArrayOutputStream.write(ByteArrayOutputStream.java:153)
    at java.io.OutputStream.write(OutputStream.java:75)
    at com.global.empris.common.CryptographyHelper.processFile(CryptographyHelper.java:49)
    at com.global.empris.common.CryptographyHelper.encryptFile(CryptographyHelper.java:105)