Caution: Translations of Quran and Ḥadīth may lead to possible misapplications and misinterpretations. This site is intended for students of sacred knowledge that are proficient in comprehending classical Arabic and have a strong foundation in Islamic sciences. Also note that religious injunctions rely on several aspects beyond what one may glean through reading individual aḥādīth.
muslim:368dIsḥāq b. Manṣūr > al-Naḍr b. Shumayl > Shuʿbah > al-Ḥakam > Dhar > Ibn ʿAbd al-Raḥman b. Abzá > Qāl al-Ḥakam And Qad Samiʿtuh from Ibn ʿAbd al-Raḥman b. Abzá from his father > a man Atá ʿUmar

I have had a seminal emission but I found no water, and the rest of the hadith is the same but with this addition: 'Amr said: 0 Commander of the Faithful, because of the right given to you by Allah over me, if you desire, I would not narrate this hadith to anyone.  

مسلم:٣٦٨dوَحَدَّثَنِي إِسْحَاقُ بْنُ مَنْصُورٍ حَدَّثَنَا النَّضْرُ بْنُ شُمَيْلٍ أَخْبَرَنَا شُعْبَةُ عَنِ الْحَكَمِ قَالَ سَمِعْتُ ذَرًّا عَنِ ابْنِ عَبْدِ الرَّحْمَنِ بْنِ أَبْزَى قَالَ قَالَ الْحَكَمُ وَقَدْ سَمِعْتُهُ مِنِ ابْنِ عَبْدِ الرَّحْمَنِ بْنِ أَبْزَى عَنْ أَبِيهِ أَنَّ رَجُلاً أَتَى عُمَرَ فَقَالَ

إِنِّي أَجْنَبْتُ فَلَمْ أَجِدْ مَاءً وَسَاقَ الْحَدِيثَ وَزَادَ فِيهِ قَالَ عَمَّارٌ يَا أَمِيرَ الْمُؤْمِنِينَ إِنْ شِئْتَ لِمَا جَعَلَ اللَّهُ عَلَىَّ مِنْ حَقِّكَ لاَ أُحَدِّثُ بِهِ أَحَدًا وَلَمْ يَذْكُرْ حَدَّثَنِي سَلَمَةُ عَنْ ذَرٍّ